Divide 90.1 by some number to get 5.3. What is the number multiplied by 0.2?
90.1 5.3 [OP_DIV] 0.2 [OP_MUL]
var_a = 90.1
var_b = 5.3
var_c = var_a / var_b
var_d = 0.2
var_e = var_c * var_d
print('{:.2f}'.format(round(var_e+1e-10,2)))