Food change

Chocolate cake 6+16+30+6+30+24+2+40+10+6+2+22+10=204
A=2 b=4 c=6 d=8 e=10 f=12 g=14 h=16 I=18 j=20 k=22 l=24 m=26 n=28 o=30 p=32 q=34 s=36 t=38 u=40 v=42 w=44 x=46 y=48 z=50
Are you hungry?
What is your favourite food?
Is your number more than 200?