If it takes 6 minutes to saw a steel bar into two pieces, how many minutes will it take to saw it into 60 pieces?
把一根钢条锯成两段要用6分钟，如果锯成60段需要多少分钟．
<gadget id="calculator">2 - 1</gadget>
<output>1</output>

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

<gadget id="calculator">60 - 1</gadget>
<output>59</output>

<gadget id="calculator">6 * 59</gadget>
<output>354</output>

<result>354</result>