Calculate the number 300

A minister decided that a visual demonstration would add emphasis to his Sunday sermon.
Four worms were placed into four separate jars.
The first worm was put into a container of alcohol.
The second worm was put into a container of cigarette smoke.
The third worm was put into a container of chocolate syrup..
The fourth worm was put into a container of good clean soil.
At the conclusion of the sermon, the Minister reported the following results:
The first worm in alcohol - Dead.
The second worm in cigarette smoke - Dead
Third worm in chocolate syrup - Dead
Fourth worm in good clean soil - Alive.
So the Minister asked the congregation -
What did you learn from this demonstration?
Old Maxine was sitting in the back smoking a cigarette along with a shot of Jack Daniels in her hand, quickly raised her other hand and said, 'As long as you drink, smoke and eat chocolate, you won't have worms!'
That pretty much ended the service.