Q: What is 97 minus 77? A: 
Q: What is 99 minus 18? A: 
Q: What is 99 minus 77? A: 
Q: What is 97 minus 72? A: 
Q: What is 97 minus 77? A: 
Q: What is 97 minus 37? A: 
Q: What is 94 minus 76? A: 
Q: What is 97 minus 77? A: 