(5/8)*(3/25)/(8/5).
(5/8)*(3/25)/(8/5)．
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">3 / 25</gadget>
<output>3/25 = around 0.12</output>

<gadget id="calculator">8 / 5</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">(3/25) / (8/5)</gadget>
<output>3/40 = around 0.075</output>

<gadget id="calculator">(5/8) * (3/40)</gadget>
<output>3/64 = around 0.046875</output>

<result>3/64 = around 0.046875</result>