For fruit juice with a net content of 1 liter, first fill up two large cups with a capacity of 300 ml, and pour the rest into small cups with a capacity of 100 ml. How many small cups can be filled?
净含量为1升的果汁，先倒满两个容量是300毫升的大杯，剩下的全部倒入容量是100毫升的小杯，可以倒满几小杯？
<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>

<gadget id="calculator">300 * 2</gadget>
<output>600</output>

<gadget id="calculator">1_000 - 600</gadget>
<output>400</output>

<gadget id="calculator">400 / 100</gadget>
<output>4</output>

<result>4</result>