Given the task definition and input, reply with output. 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.

There are 34 pencils and 49 crayons in the drawer. Dan took 22pencils from the drawer. How many pencils are now in the drawer?

12.0