<|system|>
Expand the following expression: $7(3y+2)$</s>.
<|user|>
Can you answer based on context?
<|assistant|>
We apply the distributive property to get\begin{align*}
7(3y+2) &= 7\cdot 3y+7\cdot 2\\
&= 21y+14.
\end{align*}