If (1/5) of a number is equal to 6 times (8/15), what is the number?
一个数的(1/5)等于(8/15)的6倍，则这个数是多少．
<gadget id="calculator">8 / 15</gadget>
<output>8/15 = around 0.533333</output>

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

<gadget id="calculator">(8/15) / (1/5)</gadget>
<output>8/3 = around 2.666667</output>

<gadget id="calculator">6 * (8/3)</gadget>
<output>16</output>

<result>16</result>