How many grams is 100 grams less than 3 times 1 kilogram?
比1千克的3倍少100克是多少克？
<gadget id="calculator">1 * 3 * 1_000</gadget>
<output>3_000</output>

<gadget id="calculator">3_000 - 100</gadget>
<output>2_900</output>

<result>2_900</result>