yebhi 100 off on 101 1 coupon giveaway by question

i hav 1 yebhi 100 off on 101

i believe smart people are more deserving than those lucky
so its a question who answers correctly first gets the coupon

1_1_1=6

u can use any mathematical operations
u need to get six by using three 1s
no other digit should be there in the answer except 3 1’s

good luck

note
answer is certainly not a straight fwd one