A steel pipe needs to be sawed into 41 small sections, and it takes 2 minutes to saw each piece. How many minutes will it take to saw all the pieces?
一根钢管，要锯成41小段，每锯开一处需要2分钟，全部锯完一共要多少分钟？
<gadget id="calculator">41 - 1</gadget>
<output>40</output>

<gadget id="calculator">40 * 2</gadget>
<output>80</output>

<result>80</result>