A factory bought 608 kilograms of rice. It has been eaten for 4 days, 52 kilograms a day, and the rest is eaten in 8 days.
一工厂买来大米608千克，已经吃了4天，每天吃了52千克，剩下的吃了8天才吃完，剩下的平均每天吃多少千克？
<gadget id="calculator">52 * 4</gadget>
<output>208</output>

<gadget id="calculator">608 - 208</gadget>
<output>400</output>

<gadget id="calculator">400 / 8</gadget>
<output>50</output>

<result>50</result>