If it takes 5 minutes to saw a stick into 3 pieces, how many minutes will it take to saw it into 6 pieces at the same speed?
一根木棒锯成3段要5分钟，用同样的速度锯成6段需要多少分钟．
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">(5/2) * 5</gadget>
<output>25/2 = around 12.5</output>

<result>25/2 = around 12.5</result>