It takes 30 days for Xiaoqiang to transport a pile of coal alone, so how much of the pile of coal did Xiaoqiang transport in 8 days? (fill in the score)
运一堆煤，小强单独运需要30天可以运完，那么小强运8天运了这堆煤的多少．(填分数)
<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">(1/30) * 8</gadget>
<output>4/15 = around 0.266667</output>

<result>4/15 = around 0.266667</result>