On a certain morning, there are 200 bacteria in the container. If there is light during the day, the number of bacteria in the container will decrease by 65, and if there is no light at night, the number of bacteria in the container will increase by 40. Then on the number of days, all the bacteria in the container die.
某个早晨，容器中有200个细菌，白天有光照，容器中的细菌将减少65个，夜间无光照，容器中的细菌将增加40个．则在第多少个白天，容器中的细菌全部死亡．
<gadget id="calculator">6 + 1</gadget>
<output>7</output>

<result>7</result>