A bottle of alcohol weighs (2/5) kilograms, and it is used up in 4 days. On average, ((())/(())) kilograms are used per day, and ((())/(()) of this bottle of alcohol is used on average every day )). After removing the denominator of (5/8), how many times the number obtained is the original fraction.
一瓶酒精重(2/5)千克，4天用完，平均每天用了((())/(()))千克，平均每天用了这瓶酒精的((())/(()))．把(5/8)的分母去掉后，所得的数是原分数的多少倍．
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">5 / (5/8)</gadget>
<output>8</output>

<result>8</result>