Xiaoqiang made a cuboid fish tank with a length of 1.1 meters and a width of 0.6 meters. The water depth inside was 4 decimeters. After Xiaoli helped him put some ornamental stones, the water depth was 6 decimeters. What is the volume of these stones?
小强制作了一个长1.1米，宽0.6米长方体鱼缸，里面的水深4分米，小丽帮他放了一些观赏石头后，这时水深6分米，这些石头的体积是多少？
<gadget id="calculator">0.6 * 10</gadget>
<output>6</output>

<gadget id="calculator">6 - 4</gadget>
<output>2</output>

<gadget id="calculator">11 * 0.6 * 10 * 2</gadget>
<output>132</output>

<result>132</result>