15 small goldfish are placed in a cuboid fish tank with a bottom length of 12 cm and a width of 10 cm. The water surface rises by 1 cm. What is the average volume of each goldfish?
一个底面长12厘米，宽10厘米的长方体鱼缸中，放入15条小金鱼，水面上升了1厘米，平均每条金鱼的体积是多少？
<gadget id="calculator">12 * 10 * 1</gadget>
<output>120</output>

<gadget id="calculator">120 / 15</gadget>
<output>8</output>

<result>8</result>