Can you provide an in-depth solution for: The restaurant has 170 normal chairs and 23 chairs for babies. If 20 of the normal chairs and 13 of the baby chairs were sent to the carpenter for repair, how many chairs does the restaurant have left?Hey there, could you help me solve this math problem: The restaurant has 170 normal chairs and 23 chairs for babies. If 20 of the normal chairs and 13 of the baby chairs were sent to the carpenter for repair, how many chairs does the restaurant have left?