Victor and Kelsey have identical sandwiches. Victor eats $\frac{2}{5}$ of his sandwich. If Kelsey eats $\frac{15}{8}$ as much as Victor does, what fraction of her sandwich did she eat?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Victor and Kelsey have identical sandwiches. Victor eats $\frac{2}{5}$ of his sandwich. If Kelsey eats $\frac{15}{8}$ as much as Victor does, what fraction of her sandwich did she eat?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\frac{3}{4}
Victor and Kelsey have identical sandwiches. Victor eats $\frac{2}{5}$ of his sandwich. If Kelsey eats $\frac{15}{8}$ as much as Victor does, what fraction of her sandwich did she eat?
train