A box of milk weighs 500 grams, how many boxes of milk weighs 1 kg.
一盒牛奶重500克，多少盒牛奶重1千克．
<gadget id="calculator">1_000 / 500</gadget>
<output>2</output>

<gadget id="calculator">1 * 2</gadget>
<output>2</output>

<result>2</result>