prompt: The difference between 79 and 15 is: 
random_counterfactual.prompt: The difference between 87 and 75 is: 
ones_op1_counterfactual.prompt: The difference between 77 and 15 is: 
ones_op2_counterfactual.prompt: The difference between 79 and 18 is: 
tens_op1_counterfactual.prompt: The difference between 99 and 15 is: 
tens_op2_counterfactual.prompt: The difference between 79 and 25 is: 
ones_carry_counterfactual.prompt: The difference between 80 and 16 is: 
tens_carry_counterfactual.prompt: The difference between 79 and 15 is: 