A cow weighs 620 kg, and an elephant weighs the same as 7 cows. How much does the elephant weigh?
一头牛重620千克，一头大象的体重等于7头牛的体重，这头大象的体重是多少千克？
<gadget id="calculator">620 * 7</gadget>
<output>4_340</output>

<result>4_340</result>