mid year exams result

English :58.2 (C5)
Maths: 55.4(C5)
Chinese :74.1(A2)
Science : 66.4(B3)
History :65.1(B3)
Lit :62.6 (B4)
D & T :70(A2)
Art :54.3(C6)
Total: 506.1/800
My marks sucks!!!