maaf,tolong di jawab

5 + 8 = 45
jawabannya 45
maaf kalo salah.. udah berusaha

1+4 = 5
2 + 5= 7(+5) = 12
3 + 6 = 9 (+12 ) = 21
4 + 7 = 11 (+ 21 ) = 32
5 + 8 = 13 ( + 32 ) = 45