Moving a decimal point to the left by one place makes a particular decimal number 0.72 less than it originally was. Find the original decimal.
0.72 0.9 [OP_DIV]
var_a = 0.72
var_b = 0.9
var_c = var_a / var_b
print('{:.2f}'.format(round(var_c+1e-10,2)))