Q: What is the result of 77 minus 53? A: 
Q: What is the result of 50 minus 16? A: 
Q: What is the result of 75 minus 53? A: 
Q: What is the result of 77 minus 56? A: 
Q: What is the result of 87 minus 53? A: 
Q: What is the result of 77 minus 53? A: 
Q: What is the result of 81 minus 57? A: 
Q: What is the result of 77 minus 53? A: 