A piece of steel, Master Li divides it into 6 segments, and each segment takes 5 minutes. How long does it take to secure all of them?
一根钢材，李师傅把它据成6段，每据一处要5分钟，全部据好要多少时间？
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<result>25</result>