If it takes 10 minutes to saw a piece of wood into 3 pieces, how many minutes will it take to saw it into 6 pieces?
一根木条锯成3段用了10分钟，把它锯成6段要用多少分钟．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

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

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

<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<result>25</result>