## --- Day 2: I Was Told There Would Be No Math ---

The elves are running low on wrapping paper, and so they need to submit an order for more. They have a list of the dimensions (length `l`

, width `w`

, and height `h`

) of each present, and only want to order exactly as much as they need.

Fortunately, every present is a box (a perfect right rectangular prism), which makes calculating the required wrapping paper for each gift a little easier: find the surface area of the box, which is `2*l*w + 2*w*h + 2*h*l`

. The elves also need a little extra paper for each present: the area of the smallest side.

For example:

- A present with dimensions
`2x3x4`

requires`2*6 + 2*12 + 2*8 = 52`

square feet of wrapping paper plus`6`

square feet of slack, for a total of`58`

square feet. - A present with dimensions
`1x1x10`

requires`2*1 + 2*10 + 2*10 = 42`

square feet of wrapping paper plus`1`

square foot of slack, for a total of`43`

square feet.

All numbers in the elves' list are in feet. How many total *square feet of wrapping paper* should they order?