The weight of an elephant is equal to the weight of 8 cows. A cow weighs about 506 kilograms. How many kilograms does an elephant weigh?
一头大象的体重等于8头牛的体重，一头牛约重506千克，一头大象约重多少千克？
<gadget id="calculator">506 * 8</gadget>
<output>4_048</output>

<result>4_048</result>