How much does this cost to the nearest dollar?

16th Birthday 16 Years Old White Mug - Square Root 256 - Unique Novelty Ceramic Coffee Cup For Geek Nerd Math and Science Lover - Perfect For Girls And Boys
If you are looking for a funny and cool present that a gift recipient will actually use and enjoy for years to come, then check out the Exxtra Gifts products!Customized drinkware speaks to their recipients on a more personal level, making them feel special. Plus, mugs are universally functional gifts, even if you’re not a coffee or tea drinker.Exxtra Gifts creates unique novelty products with designs and sayings for him or her, women, men, mother, father, husband, wife, brother, sister, adults, teens, teacher, male, female, grandfather, grandmother PERFECT GIFT

Price is $19.00

Price: $18.95