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

Input: Consider Input: Robin uploaded 31 pictures from her phone and 5 from her camera to facebook . If she sorted the pics into 9 different albums with the same amount of pics in each album , how many pictures were in each of the albums ?

Output: 4


Input: Consider Input: In March it rained 0.81 inches . It rained 0.35 inches less in April than in March . How much did it rain in April ?

Output: 0.46


Input: Consider Input: On Friday , Sam spent 2 pennies on ice cream . The next day , Sam spent 12 dimes on baseball cards . All in all , how much money did Sam spend ?


Output: 1.22