Can someone back me beside this one problem? find the area of a fenced patio with a length of 6...

find the area of a fenced patio with a length of 6 yard and a width of 5 yard

L=6yrds
W=5yrds

how would I write that into a problem and figure it out ...

don't I purely take 6 x 5 = 30 (2) =90 total nouns

am i correct