It takes the same time to saw a section of wood each time, 24 minutes to saw three sections, and how many minutes to saw five sections.
锯一段木料，每次用时相同，锯三段用24分，锯五段用多少分．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">24 / 2</gadget>
<output>12</output>

<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">12 * 4</gadget>
<output>48</output>

<result>48</result>