Two bottles of ink are 100ml, how many bottles of ink are 1 liter.
两瓶墨水100毫升，多少瓶墨水是1升．
<gadget id="calculator">1_000 / 100</gadget>
<output>10</output>

<gadget id="calculator">1 * 10 * 2</gadget>
<output>20</output>

<result>20</result>