Q: How much is 99 minus 74? A: 
Q: How much is 86 minus 78? A: 
Q: How much is 97 minus 74? A: 
Q: How much is 99 minus 72? A: 
Q: How much is 89 minus 74? A: 
Q: How much is 99 minus 24? A: 
Q: How much is 104 minus 79? A: 
Q: How much is 99 minus 74? A: 