You will be given a definition of a task first, then some input of the task.
You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication, or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

an international group had 49 chinese americans and australians . 16 of them were americans and 11 of them were australians . how many chinese were there ?
Output:
22