A cuboid is long, wide (5/4), and high (5/6). If the width is 20 cm, what is the volume of the cuboid?
一个长方体，长是宽的(5/4)，又是高的(5/6)．如果宽是20厘米，这个长方体的体积是多少？
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">20 * (5/4)</gadget>
<output>25</output>

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

<gadget id="calculator">25 / (5/6)</gadget>
<output>30</output>

<gadget id="calculator">25 * 20 * 30</gadget>
<output>15_000</output>

<result>15_000</result>