Use a measuring cup with a capacity of 400 ml to fill the water, pour 25 times into the fish tank, just fill it up. What is the capacity of this tank in liters?
用一个容量是400毫升的量杯装满水，向鱼缸里倒25次，正好倒满．这个鱼缸的容量是多少升？
<gadget id="calculator">400 * 25</gadget>
<output>10_000</output>

<gadget id="calculator">10_000 / 1_000</gadget>
<output>10</output>

<result>10</result>