Given that (2/5)x=(3/4)y, then ((y)/(x))=how much.
已知(2/5)x=(3/4)y，那么((y)/(x))=多少．
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(2/5) / (3/4)</gadget>
<output>8/15 = around 0.533333</output>

<result>8/15 = around 0.533333</result>