45 hl – 3 ½ m³ = ....... liter

45 hl - 3 ½ m³ = (45 × 10. 000) - ( 3.5 × 1000) = 450. 000 - 3.500 = 446,500liter
Maaf klo slh...

3 1/2 m^3=3,5 m^3
3,5 m^3=3500 l
45 hl=4500 l
4500 - 3500=1000 l