TASK DEFINITION: You are provided with an arithmetic question. Your task is to compute the solution using the given arithmetic operations. The only arithmetic operators needed to answer the questions are'+'(addition) and'-'(subtraction). The answer should be correct to one decimal place.
PROBLEM: There are 34 pencils and 49 crayons in the drawer. Dan took 22pencils from the drawer. How many pencils are now in the drawer?

SOLUTION: 12.0

PROBLEM: This afternoon Craig left school, rode the bus 3.8 miles, and then walked 0.2 mile to get home. How much farther did Craig ride than walk?

SOLUTION: 3.6

PROBLEM: There are 4 walnut trees currently in the park. Park workers will plant 6 walnut trees today. How many walnut trees will the park havewhen the workers are finished?

SOLUTION:
10.0