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: While taking inventory at her pastry shop, Kelly realizes that she had 0.4 box of baking powder yesterday, but the supply is now down to 0.3 box. How much more baking powder did Kelly have yesterday?

SOLUTION: 0.1

PROBLEM: There are 33 walnut trees currently in the park. Park workers willplant 44 walnut trees today. How many walnut trees will the parkhave when the workers are finished?

SOLUTION: 77.0

PROBLEM: Sara grew 4 onions, Sally grew 5 onions, and Fred grew 9 onions.How many onions did they grow in all?

SOLUTION:
18.0