How many grains are there in 1 kg of soybeans? How many
1千克的黄豆大约有多少粒？多少
<gadget id="calculator">1_000 / 0.4</gadget>
<output>2_500</output>

<gadget id="calculator">1 * 2_500</gadget>
<output>2_500</output>

<result>2_500</result>