A cuboid stone is 10 meters long and its cross-section is a square with one side 6 decimeters long. If each cubic meter of stone weighs 2.4 tons, how many tons does this stone weigh?
一块长方体石料，长10米，横截面是一边长6分米的正方形．如果每立方米石料重2.4吨，这块石料重多少吨？
<gadget id="calculator">6 / 10</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) * (3/5) * 10 * 2.4</gadget>
<output>8.64</output>

<result>8.64</result>