Divide the 8-meter-long ribbon into 30 sections on average, and the length of each section is its ((())/(())) meters, how many meters is each section long.
把8米长的彩带平均分成30段，每段长是它的((())/(()))米，每段长多少米．
<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>

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

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