There is a rectangular farm. If the length of the long side is 1 kilometer (km) and the length of the short side is 2/8 km (km) shorter than the length of the long side, what is the total circumference of the farm in kilometers (km)?
1 1 2/8 [OP_SUB] [OP_ADD] 2 [OP_MUL]
var_a = 1
var_b = 1
var_c = 0.25
var_d = var_b - var_c
var_e = var_a + var_d
var_f = 2
var_g = var_e * var_f
print('{:.2f}'.format(round(var_g+1e-10,2)))