Given the task definition, example input & output, solve the new input case.
You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.
Example: Rachel strolled to Nicholas 's house . It is 10 miles from Rachel 's house to Nicholas 's house . It took Rachel 5 hours to get there . How fast did Rachel go ?
Output: 2
Rachel's speed = distance/time = 10/5 = 2

New input case for you: To fill an order , the factory dyed 61921 yards of silk green and 49500 yards pink . How many yards of silk did it dye for that order ?
Output:
111421