A cube of stone has a side length of 5 decimeters, and each cubic decimeter of stone weighs about 1.2 kilograms. How many kilograms does this stone weigh?
正方体的石头，棱长是5分米，每立方分米的石头大约重1.2千克，这块石头重有多少千克？
<gadget id="calculator">5 * 5 * 5</gadget>
<output>125</output>

<gadget id="calculator">1.2 * 125</gadget>
<output>150</output>

<result>150</result>