Explain how to solve this math problem: Kyle makes $3200.00 every month.  His monthly bills include $1250 for rent, $150 on utilities, $400 into retirement & savings accounts, $300.00 on groceries/eating out, $200 for insurance and $200 for miscellaneous expenses.  If he’s looking at buying a car with a monthly car payment of $350 how much does that leave for gas and maintenance?