Q: How much is 56 minus 18? A: 
Q: How much is 70 minus 55? A: 
Q: How much is 59 minus 18? A: 
Q: How much is 56 minus 13? A: 
Q: How much is 86 minus 18? A: 
Q: How much is 56 minus 28? A: 
Q: How much is 58 minus 10? A: 
Q: How much is 56 minus 18? A: 