(2/3) of a number is exactly the reciprocal of (5/8), what is this number?
一个数的(2/3)正好是(5/8)的倒数，这个数是几？
<gadget id="calculator">8 / 5</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(8/5) / (2/3)</gadget>
<output>12/5 = around 2.4</output>

<result>12/5 = around 2.4</result>