Q: What is 74 minus 37? A: 
Q: What is 97 minus 81? A: 
Q: What is 79 minus 37? A: 
Q: What is 74 minus 30? A: 
Q: What is 94 minus 37? A: 
Q: What is 74 minus 27? A: 
Q: What is 77 minus 30? A: 
Q: What is 74 minus 37? A: 