15 small goldfishes are placed in a rectangular parallelepiped container whose bottom is 12cm long and 10cm wide, and the water level rises by 1cm. What is the average volume of each of these small goldfishes?
在一个底面长12cm，宽10cm的长方体容器内，放入15条小金鱼，水面上升了1cm，这些小金鱼平均每条的体积是多少？
<gadget id="calculator">12 * 10 * 1</gadget>
<output>120</output>

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

<result>8</result>