A piece of wood with a length of 12 meters is sawed into 4 sections on average. If each sawing takes the same time, what fraction of the time does each sawing take in the total time?
把一根长12米的木料，平均锯成4段，如果每锯一次所用的时间相同，那么每锯一次所用的时间占全部时间的几分之几？
<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>