Q: How much is 78 minus 45? A: 
Q: How much is 85 minus 34? A: 
Q: How much is 79 minus 45? A: 
Q: How much is 78 minus 45? A: 
Q: How much is 98 minus 45? A: 
Q: How much is 78 minus 35? A: 
Q: How much is 80 minus 47? A: 
Q: How much is 78 minus 45? A: 