If it takes 6 minutes to cut a piece of wood into 3 pieces, how many minutes can it cut into 6 pieces?
6分钟能把一根木料截成3段，多少分钟能截成6段．
<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>