What was Mario work in the worls is an apple?

In the world of "Super Mario," Mario is portrayed as a plumber who often embarks on adventures to rescue Princess Peach and save the Mushroom Kingdom from various villains, primarily Bowser. His tasks typically involve navigating through various levels, overcoming obstacles, and collecting power-ups, such as mushrooms and stars, to enhance his abilities. The phrase "in the world is an Apple" is not directly related to Mario's character or adventures; it might refer to a metaphorical or philosophical interpretation rather than a literal aspect of the game.