It takes 6 minutes for Master Zhang to saw a piece of wood into 4 sections, how many minutes will it take to saw it into 5 sections now?
张师傅把一根木头锯成4段需要6分钟，现在要把它锯成5段，需要多少分钟．
<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">6 / 3</gadget>
<output>2</output>

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

<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<result>8</result>