The length and width of the garden can't be measured in "square feet".
If the garden is 6.3 feet long and 12.6 feet wide, then
the area of the garden is
(6.3 feet) times (12.6 feet) = 79.38 square feet .
If a tomato plant needs 2 square feet of space, then
Alicia's garden has enough area for
79.38 / 2 = 39 tomato plants,
with 0.69 square feet of space left over.
