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.

Context: Mary is baking a cake. The recipe calls for 11 cups of sugar and 9 cups of flour. She already put in 12 cups of flour and 10 cups of sugar. 

 Question: How many more cups of sugar does she need to add?
1

Context: The grasshopper, the frog and the mouse had a jumping contest. The grasshopper jumped 9 inches. The mouse jumped 3 inches lesser than the frog who jumped 33 inches farther than the grasshopper. 

 Question: How far did the mouse jump?
39

Context: Every day Ryan spends 6 hours on learning english and 7 hours on learning chinese. 

 Question: How many more hours does he spend on learning chinese than he does on learning english?

1