It takes 6 minutes to saw a piece of wood into 3 sections. If it is to be sawed into 6 sections, how many minutes will it take?
把一根木料锯成3段，用6分钟，如果要锯成6段，要用多少分钟．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

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

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

<gadget id="calculator">3 * 5</gadget>
<output>15</output>

<result>15</result>