Q: How much is 99 minus 12? A: 
Q: How much is 88 minus 27? A: 
Q: How much is 97 minus 12? A: 
Q: How much is 99 minus 13? A: 
Q: How much is 59 minus 12? A: 
Q: How much is 99 minus 62? A: 
Q: How much is 100 minus 13? A: 
Q: How much is 99 minus 12? A: 