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.

Ex Input:
The farmers reported that they harvest 45 sacks of apples from each of the 8 sections of the orchard daily . How many sacks are harvested every day ?

Ex Output:
360


Ex Input:
Kenji and his classmates placed colored blocks on a scale during a science lab . The yellow block weighed 0.6 pounds and the green block weighed 0.4 pounds . How much more did the yellow block weigh than the green block ?

Ex Output:
0.2


Ex Input:
18 children were riding on the bus . At the bus stop , some more children got on the bus . Then there were 25 children altogether on the bus . How many children got on the bus at the bus stop ?

Ex Output:

7