A goat weighs 64 kg, and a cow weighs 6 times that of a goat. How much does the cow weigh?
一只山羊重64千克，一头牛的重量是山羊的6倍．这头牛重多少千克？
<gadget id="calculator">64 * 6</gadget>
<output>384</output>

<result>384</result>