The staff had eaten a total of 19 x 2 = <<19*2=38>>38 doughnuts.

So, 50 - 38 = <<50-38=12>>12 doughnuts are left.

# Answer

12
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
During a staff meeting, 50 doughnuts were served. If each of the 19 staff ate 2 doughnuts, how many doughnuts are left?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
12
During a staff meeting, 50 doughnuts were served. If each of the 19 staff ate 2 doughnuts, how many doughnuts are left?
train