Why do keep getting 3 as my answer?

Question

https://code.sololearn.com/cKZsxWt6S9vY/?ref=app

Answer 1

a=3;
b=4;

c=a/b*b;
3/4 = 0
0 * 4 = 0
-> c = 0

d=b/a*a;

4/3 = 1
1* 3 = 3
-> d = 3

e=a/b*b;
3/4 = 0
0*4 = 0
-> e = 0

c+d+e;
0+3+0=3

-> output: 3

Answer 2

because
a = 3
b = 4
is not changing and according to code the value generated is 3 using a and b.