There is a piece of wood, and each piece is going to be sawn into 3 sections. It takes 5 minutes to saw each piece. How many minutes will it take to saw all the pieces?
有一根木料，打算把每根锯成3段，每锯开一处，需要5分钟，全部锯完需要多少分钟？
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<result>10</result>