Moving a decimal point to the right by one place makes a some number to become 2.7 larger than it originally was. Find the original decimal number.
2.7 10 1 [OP_SUB] [OP_DIV]
var_a = 2.7
var_b = 10
var_c = 1
var_d = var_b - var_c
var_e = var_a / var_d
print('{:.2f}'.format(round(var_e+1e-10,2)))