A piece of wood is 12 meters long, and it is sawed into 6 sections, and each section takes 7 minutes to saw. How many minutes will it take to complete the sawing?
一根木头长12米，把它锯成6段，每锯一段要7分钟，锯完一共要多少分钟．
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">7 * 5</gadget>
<output>35</output>

<result>35</result>