First, convert the mixed number to a fraction for easier multiplication:
4 1/5 = 21/5
Now multiply the numerators and denominators of the fractions together:
21 x 2 = 42, 5 x 3 = 15
42/15
simplify by dividing the numerator and denominator by three:
14/5
The area of the garden is 14/5 square meters, or 2 4/5 square meters.