TypeError: 'int' object is not callable

Question

Given the following integers and calculation

from __future__ import division

a = 23
b = 45
c = 16

round((a/b)*0.9*c)

This results in:

Answer 1

In my case I changed:

return 

with:

return str()

try with the following and it must work:

str(round((a/b)*0.9*c))