Q: How much is 77 minus 54? A: 
Q: How much is 46 minus 23? A: 
Q: How much is 79 minus 54? A: 
Q: How much is 77 minus 52? A: 
Q: How much is 97 minus 54? A: 
Q: How much is 77 minus 34? A: 
Q: How much is 80 minus 57? A: 
Q: How much is 77 minus 54? A: 