Measurements Puzzle

Gap-fill exercise

Fill in the measurement conversions, then use the letters to crack the code. Press "Check" to check your answers.
Answer the questions to solve the code.

A 400mm= m
C 6000g = kg
G 40mm = m
H 400cm= m
I 60g = kg
K 600ml = liltres
M 60000m = km
O 8 litres = cl
R 80cl = litres
S 8000ml = litres
T 1 hour 20 minutes = minutes
W 80g = kg