It takes 6 minutes to saw a piece of wood into 4 sections, and the same piece of wood is sawed at the same speed, how many sections can be sawed in 18 minutes.
一根木材，锯成4段用6分钟，另外有同样的一根木材以同样的速度锯，18分可锯多少段．
<gadget id="calculator">6 / 3</gadget>
<output>2</output>

<gadget id="calculator">18 / 2</gadget>
<output>9</output>

<gadget id="calculator">9 + 1</gadget>
<output>10</output>

<result>10</result>