Q: How much is 98 minus 40? A: 
Q: How much is 95 minus 20? A: 
Q: How much is 99 minus 40? A: 
Q: How much is 98 minus 42? A: 
Q: How much is 88 minus 40? A: 
Q: How much is 98 minus 60? A: 
Q: How much is 107 minus 49? A: 
Q: How much is 98 minus 40? A: 