(5/4) minus its reciprocal, multiply the difference by (5/6), what is the product?
(5/4)减去它的倒数，所得的差再乘(5/6)，积是多少？
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(5/4) - (4/5)</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(9/20) * (5/6)</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>