You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication, or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

jean had a bag of candy . she gave 18 pieces to her friend . jean ate 7 pieces . now she has 16 pieces left . how many pieces of candy did jean have at first ?
41

there are some passengers on a bus . at a bus stop 7 more passengers got on the bus and 9 passengers got off . if there are 26 passengers in the bus in the end how many passengers were there at first ?
28

there were 46 passengers on the bus . 19 passengers got off at the first stop . 15 passengers got off at the second stop . how many passengers were left on the bus ?
12