[Question]Phoebe eats 1 serving and gives her dog 1 serving of peanut butter for a bedtime snack. Each jar of peanut butter has 15 servings. How many jars will she need to make sure she and her dog have enough to last for 30 days?
[Answer]She and her dog both have a serving before bed so they eat 1 + 1 = 2 servings a day. She wants to have enough for 30 days and they eat 2 servings a day so they need 30 * 2 = 60 servings. Each jar has 15 servings and she needs 60 servings so she will need 60 / 15 = 4 jars of peanut butter. The answer is 4.

[Question]Sarah is buying Christmas presents for her family. She starts her shopping with a certain amount of money. She buys 2 toy cars for $11 each for her sons. She buys a scarf for $10 for her mother. Then she buys a beanie for $14 for her brother. If she has $7 remaining after purchasing the beanie, how much money did she start with?
[Answer]Before purchasing the beanie, Sarah has $7 + $14 = $21. Before purchasing the scarf, Sarah has $21 + $10 = $31. The total cost of the toy cars is 2 * $11 = $22. Before purchasing the toy cars, Sarah has $31 + $22 = $53. The answer is 53.

[Question]Jim decides to buy mayo in bulk. He can buy 1 gallon of mayo at Costco for 8 dollars. At the normal store, a 16-ounce bottle costs $3. How much money does he save by buying the gallon container?
[Answer]A gallon is 1 * 128 = 128 ounces. So he needs to buy 128 / 16 = 8 of the small bottles. That would cost 8 * 3 = 24 dollars. So he saves 24 - 8 = $16. The answer is 16.

[Question]Calvin is a bug collector. In his collection, he has 12 giant roaches, 3 scorpions, half as many crickets as roaches, and twice as many caterpillars as scorpions. How many insects does Calvin have in his collection?
[Answer]
With half as many crickets as roaches, he has 12 / 2 = 6 crickets. With twice as many caterpillars as scorpions, he has 3 * 2 = 6 caterpillars. In total, he has 12 + 3 + 6 + 6 = 27 insects in his bug collection. The answer is 27.