Q: How much is 77 minus 71? A: 
Q: How much is 56 minus 49? A: 
Q: How much is 76 minus 71? A: 
Q: How much is 77 minus 72? A: 
Q: How much is 87 minus 71? A: 
Q: How much is 77 minus 41? A: 
Q: How much is 80 minus 74? A: 
Q: How much is 77 minus 71? A: 