Q: What is 87 minus 39? A: 
Q: What is 65 minus 53? A: 
Q: What is 89 minus 39? A: 
Q: What is 87 minus 33? A: 
Q: What is 87 minus 39? A: 
Q: What is 87 minus 79? A: 
Q: What is 89 minus 31? A: 
Q: What is 87 minus 39? A: 