If it takes 6 minutes to saw a piece of wood into 4 pieces, how many minutes will it take to saw the same piece of wood into 6 pieces?
把一根木条锯成4段6分钟，一根同样的木条把它锯成6段要多少分钟．
<gadget id="calculator">4 - 1</gadget>
<output>3</output>

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

<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">2 * 5</gadget>
<output>10</output>

<result>10</result>