prompt: The difference between 87 and 49 is: 
random_counterfactual.prompt: The difference between 40 and 24 is: 
ones_op1_counterfactual.prompt: The difference between 89 and 49 is: 
ones_op2_counterfactual.prompt: The difference between 87 and 44 is: 
tens_op1_counterfactual.prompt: The difference between 77 and 49 is: 
tens_op2_counterfactual.prompt: The difference between 87 and 69 is: 
ones_carry_counterfactual.prompt: The difference between 89 and 41 is: 
tens_carry_counterfactual.prompt: The difference between 87 and 49 is: 