Your older brother is 1/10 meter (m) taller than you, and your younger brother is 0.2 meter (m) shorter than you. If the younger brother is 1.1 meters (m), how tall is the older brother in meters (m)?
0.2 1.1 [OP_ADD] 1/10 [OP_ADD]
var_a = 0.2
var_b = 1.1
var_c = var_a + var_b
var_d = 0.1
var_e = var_c + var_d
print('{:.2f}'.format(round(var_e+1e-10,2)))