Q: What is 78 minus 63? A: 
Q: What is 59 minus 10? A: 
Q: What is 77 minus 63? A: 
Q: What is 78 minus 61? A: 
Q: What is 78 minus 63? A: 
Q: What is 78 minus 33? A: 
Q: What is 84 minus 69? A: 
Q: What is 78 minus 63? A: 