Q: How much is 77 minus 36? A: 
Q: How much is 96 minus 84? A: 
Q: How much is 79 minus 36? A: 
Q: How much is 77 minus 35? A: 
Q: How much is 57 minus 36? A: 
Q: How much is 77 minus 66? A: 
Q: How much is 80 minus 39? A: 
Q: How much is 77 minus 36? A: 