Divide a 3-meter-long rope into 10 sections on average, each section is ((())/(())) of this rope, and how many meters is each section long.
把3米长的绳子平均分成10段，每段是这根绳子的((())/(()))，每段长多少米．
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 / (1/10) / 1</gadget>
<output>10</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>