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.

A tailor cut 0.75 inch off a skirt and 0.25 inch off a pair of pants. Howmuch more did the tailor cut off the skirt than the pants?
0.5

There are 107 walnut trees currently in the park. Park workers willplant 104 walnut trees today. How many walnut trees will the parkhave when the workers are finished?
211.0

Sally picked 7 lemons and Mary picked 9 lemons from the lemon tree. How many lemons were picked in total?
16.0