Akitchen is rectangle and measures 3 yards by 5 yards. the laminate tiles that i am looking at measures 1/2 ft by 1 ft. how many tiles will i need for the kitchen floor

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2