Pour 168 liters of water into a cuboid glass tank with a length of 8 decimeters, a width of 6 decimeters, and a height of 4 decimeters. What is the depth of the water?
在一个长8分米，宽6分米、高4分米的长方体玻璃缸内倒入168升水，水深是多少？
<gadget id="calculator">8 * 6</gadget>
<output>48</output>

<gadget id="calculator">168 / 48</gadget>
<output>7/2 = around 3.5</output>

<result>7/2 = around 3.5</result>