A lamb weighs 900 grams, and the weight of a piglet is 6 times that of a lamb. How many grams does a lamb weigh?
一只小羊重900克，一只小猪的重量是一只小羊的6倍，一只小羊重多少克？
<gadget id="calculator">900 * 6</gadget>
<output>5_400</output>

<result>5_400</result>