Divide (8/13) meter long rope into 4 sections equally, how many meters is each section
把(8/13)米长的绳子平均分成4段，每段长多少米
<gadget id="calculator">8 / 13</gadget>
<output>8/13 = around 0.615385</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(8/13) * (1/4)</gadget>
<output>2/13 = around 0.153846</output>

<result>2/13 = around 0.153846</result>