# Find the Surface Area box (4)(5)(67) h=4l=5w=67
The surface area of a box is equal to the sum of the areas of each side of the box.
2⋅(length)⋅(width)+2⋅(length)⋅(height)+2⋅(width)⋅(height)
Substitute the values of the length l=5, the width w=67, and the height h=4 into the formula.
2⋅5⋅67+2⋅5⋅4+2⋅67⋅4
Simplify each term.
Multiply 2 by 5.
10⋅67+2⋅5⋅4+2⋅67⋅4
Multiply 10 by 67.
670+2⋅5⋅4+2⋅67⋅4
Multiply 2 by 5.
670+10⋅4+2⋅67⋅4
Multiply 10 by 4.
670+40+2⋅67⋅4
Multiply 2 by 67.
670+40+134⋅4
Multiply 134 by 4.
670+40+536
670+40+536
Simplify by adding numbers.
Add 670 and 40.
710+536
Add 710 and 536.
1246
1246
Find the Surface Area box (4)(5)(67)

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