A duckling weighs 800 grams, and a goose weighs 5 times that of the duckling. How many grams does the weight of the goose exceed the weight of the duckling? (Solved in two ways)
一只小鸭重800克，一只鹅的重量是小鸭的5倍，鹅的体重比小鸭的体重多多少克？(用两种方法解决)
<gadget id="calculator">800 * 5</gadget>
<output>4_000</output>

<gadget id="calculator">4_000 - 800</gadget>
<output>3_200</output>

<result>3_200</result>