Saw a piece of wood into 9 sections, and the average time for each section is 1 minute. When sawing 3 sections, what fraction of the total time is it? How many.
把一根木料锯成9段，平均每锯下一段所用时间是1分钟，问锯下3段时，所用的时间是总时间的几分之几？多少．
<gadget id="calculator">1 * 9</gadget>
<output>9</output>

<gadget id="calculator">9 - 1</gadget>
<output>8</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 * (3/8)</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>