Fill 2 large cups and 6 small cups with water, which is exactly 2000ml, each large cup is filled with 200ml more than the small cup, and the 6 small cups are replaced by 6 large cups, the total is compared to 2000ml what will happen? How many milliliters
把2个大杯和6个小杯装满水，正好是2000毫升，每个大杯比小杯多装200毫升，把6个小杯替换成6个大杯，总量和2000毫升相比会怎样？多多少毫升
<gadget id="calculator">2 * 200</gadget>
<output>400</output>

<gadget id="calculator">2_000 - 400</gadget>
<output>1_600</output>

<gadget id="calculator">6 + 2</gadget>
<output>8</output>

<gadget id="calculator">1_600 / 8</gadget>
<output>200</output>

<gadget id="calculator">200 + 200</gadget>
<output>400</output>

<gadget id="calculator">400 * 8</gadget>
<output>3_200</output>

<gadget id="calculator">3_200 - 2_000</gadget>
<output>1_200</output>

<result>1_200</result>