Donghwan took out 11 marbles from a box of 100 marbles. Express how many marbles Donghwan took out of all the marbles as a decimal number.
11 100 [OP_DIV]
var_a = 11
var_b = 100
var_c = var_a / var_b
print('{:.2f}'.format(round(var_c+1e-10,2)))