Store atmosphere plays a key role in enhancing the shopping experience by influencing customers’ emotions and behaviors. The following factors contribute to an enjoyable store atmosphere:
1. Lighting: Proper lighting can highlight products and create a pleasant environment.
2. Music: The right type of music can set the mood, either calming or energizing, depending on the store’s brand.
3. Layout: An organized store layout makes it easier for customers to find products, improving the overall experience.
4. Cleanliness: A tidy and clean environment makes customers feel comfortable and welcome.
On the day of her examination, Riya sharpened her pencil from both ends as shown below. 
The diameter of the cylindrical and conical part of the pencil is 4.2 mm. If the height of each conical part is 2.8 mm and the length of the entire pencil is 105.6 mm, find the total surface area of the pencil.