instruction:
Given a math word problem, answer the following question. You might need to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the question and then only report the final numerical answer.
question:
179 birds were sitting in a tree . 38 more birds flew up to the tree . how many birds were there altogether in the tree ?
answer:
217

question:
robert made $ 76 at work . he spent $ 6 on a pen and $ 14 for a calculator . how much money did he have left ?
answer:
56

question:
a worker at a medical lab is studying blood samples . the first sample contained 1410 blood cells . the second 1 contained 6908 more than the first . about how many blood cells were in the second sample ?
answer:
8318