((58-506/23)(10127-2685)+1748)/163 = ((58-22)(2727-2685)+1748)/163= (3642+1748)/163= (1512+1748)/163= 3260/163= 20
((58-506/23)(10127-2685)+1748)/163 = ((58-22)(2727-2685)+1748)/163
= (3642+1748)/163
= (1512+1748)/163
= 3260/163
= 20