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:
A carpenter bought a piece of wood that was 8.9 centimeters long . Then he sawed 2.3 centimeters off the end . How long is the piece of wood now ?
answer:
6.6


question:
There are 36 bananas in Diane 's banana collection . If the bananas are organized into 6 groups , how big is each group ?
answer:
6


question:
Josh had 142 pencils . He gave 31 pencils to Dorothy . How many pencils does Josh have left ?
answer:

111