Find the significance of the number 77 ONLY using the number 12 and 3

Question

Please show your work entirely, I'm getting a headache because of this question, you are allowed to devide, subtract, multiply, and use any other sort of math you can to solve this problem

Answer 1

(12*3)+(12*3)+(12-3-(12/3))=77

 

Trial and error using all the combinations

 

12/3

12*3

12-3

12+3