Find the area of a regular hexagon with a side measuring 18ft. ( I need help lol)... ps sub to my yt :)

a regular hexagon is made up of six equilateral triangles

the area of an equilateral triangle is ... s^2 √3 / 2

for the hexagon ... 6 * s^2 * √3 / 2 = 3 * √3 * 18^2 = ? ft^2