You are given a math word problem and you are supposed to only use subtraction on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
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Question: Context: The grasshopper, the frog and the mouse had a jumping contest. The grasshopper jumped 39 inches. The grasshopper jumped 19 inches farther than the frog and the mouse jumped 12 inches lesser than the frog. 

 Question: How far did the mouse jump?

Answer: 8


Question: Context: The grasshopper, the frog and the mouse had a jumping contest. The grasshopper jumped 24 inches. The frog jumped 33 inches farther than the grasshopper and the mouse jumped 5 inches lesser than the frog. 

 Question: How much farther did the mouse jump than the grasshopper?

Answer: 28


Question: Context: In a school there are 632 girls and 410 boys. 465 more girls joined the school. 

 Question: How many more girls than boys does the school have?

Answer:
687