Solve the following system 5%2=11 2%4=14 3%2=7 4%5=30 then what is 8%4=?

dous2014-03-18T17:43:05Z

5%2=5+6=11
2%4=2+3+4+5=14
3%2=3+4=7
4%5=4+5+6+7+8=30

8%4=8+9+10+11=38