glass goldfish tank in the shape of a cuboid with a length of 12 decimeters and a width of 5 decimeters is used to fill the empty goldfish tank with a plastic water pipe. The water can be filled at 16 liters per minute, and it can be filled in 30 minutes. How tall is the goldfish bowl? (Glass thickness is not counted)
一个长12分米、宽5分米的长方体形状的玻璃金鱼缸，用一根塑料水管往空的金鱼缸注水，每分钟可以注水16升，30分钟注满．金鱼缸的高是多少分米？(玻璃厚度不计)
<gadget id="calculator">16 * 30</gadget>
<output>480</output>

<gadget id="calculator">12 * 5</gadget>
<output>60</output>

<gadget id="calculator">480 / 60</gadget>
<output>8</output>

<result>8</result>