okay,do you know how to do long division...if you do but your having chroble just right it out on a paper you need all the mutiples of 13
13,26,39,52,65,78,91,104,117,130,143,156,169,182,195,208,221,234,247,260,273,286,299,312,325,338,351,364,377,390,403,416,429,442,455,468,481,494,507,520,533,546,559,572,585,598,611,624,637,
just keep adding 13
at the step it showes your a it looks like u need to see how many times 13 can go into 3302
hope this helps cuz thats all i got! lol