instruction:
You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.
question:
Bobby has 142 books . Kristi has 78 books . How many more books does Bobby have than Kristi ?
answer:
64


question:
David removes 7 eggs from a jar . There were originally 27 eggs in the jar . How many eggs are left in the jar ?
answer:
20


question:
Martha bought 18 small cakes . She has 3 children . She would like to divide the cakes among her children so that each child gets the same amount . How many cakes would each child get ?
answer:

6