Kahi has a 1.6 meter (m) ribbon tape. If she used 0.8 meters (m) of ribbon to make a ribbon and 0.3 meters (m) to wrap a gift, how many meters (m) of ribbon tape is left?
1.6 0.8 [OP_SUB] 0.3 [OP_SUB]
var_a = 1.6
var_b = 0.8
var_c = var_a - var_b
var_d = 0.3
var_e = var_c - var_d
print('{:.2f}'.format(round(var_e+1e-10,2)))