A cuboid water tank that can hold 64L of water is 8dm long, 2.5dm wide, and dm high
一个能容纳64L水的长方体水箱，长8dm，宽2.5dm，高多少dm
<gadget id="calculator">8 * 2.5</gadget>
<output>20</output>

<gadget id="calculator">64 / 20</gadget>
<output>16/5 = around 3.2</output>

<result>16/5 = around 3.2</result>