18 meters (2/3) is as long as how many meters (1/5).
18米的(2/3)与多少米的(1/5)一样长．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(2/3) / (1/5)</gadget>
<output>10/3 = around 3.333333</output>

<gadget id="calculator">18 * (10/3)</gadget>
<output>60</output>

<result>60</result>