A cube tank, the length of the side measured from the inside is 20 cm, what is the volume of the tank in liters?
一个正方体水槽，从里面量棱长是20厘米，这个水槽的容积是多少升？
<gadget id="calculator">20 / 1_000</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">20 * 20 * (1/50)</gadget>
<output>8</output>

<result>8</result>