Q: How much is 71 minus 66? A: 
Q: How much is 38 minus 14? A: 
Q: How much is 79 minus 66? A: 
Q: How much is 71 minus 60? A: 
Q: How much is 91 minus 66? A: 
Q: How much is 71 minus 46? A: 
Q: How much is 78 minus 63? A: 
Q: How much is 71 minus 66? A: 