If an apple weighs 200 grams, how many kilograms would 5 such apples weigh?
一个苹果重200克，那么5个这样的苹果重多少千克．
<gadget id="calculator">200 * 5</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 / 1_000</gadget>
<output>1</output>

<result>1</result>