cube of stone has a side length of 5 decimeters, and each cubic decimeter of the stone weighs about 2.7 kilograms. How many kilograms does this stone weigh?
一块正方体的石头，棱长是5分米，每立方分米的石头大约重2.7千克，这块石头重有多少千克？
<gadget id="calculator">5 * 5 * 5</gadget>
<output>125</output>

<gadget id="calculator">2.7 * 125</gadget>
<output>337.5</output>

<result>337.5</result>