A cuboid stone is 3 meters long and its cross-section is a square with a side length of 0.2 meters. If 1 cubic decimeter of stone weighs 2.7 kilograms, how many kilograms does this stone weigh?
一块长方体石料，长3米，横截面是一个边长0.2米的正方形．如果1立方分米的石料重2.7千克，这块石料重多少千克？
<gadget id="calculator">0.2 * 10 * 0.2 * 10 * 3 * 10 * 2.7</gadget>
<output>324</output>

<result>324</result>