There is a box with a base in the shape of an equilateral triangular prism with a side of 13/12 meters (m). What are the minimum meters (m) of ribbon required to wrap the ribbon around the perimeter of this box?
13/12 3 [OP_MUL]
var_a = 1.0833333333333333
var_b = 3
var_c = var_a * var_b
print('{:.2f}'.format(round(var_c+1e-10,2)))