There is a glass fish tank in Xiao Ming's house, the length is 12cm, the width is 6 cm, and the water depth is 8 cm. Xiao Ming puts 6 pebbles of equal volume into the water, and the water depth in the fish tank is 16 cm. What is the average volume of each pebble?
小明家有一个玻璃鱼缸，从里面量长12cm，宽6cm，水深8cm，小明把6个体积相等的鹅卵石放入水中，量得鱼缸中的水深16cm．平均每个鹅卵石的体积是多少？
<gadget id="calculator">16 - 8</gadget>
<output>8</output>

<gadget id="calculator">8 / 6</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">12 * 6 * (4/3)</gadget>
<output>96</output>

<result>96</result>