Question 1175215
You might want to check your units
There is very little water with volume (1.2 mm)^2*1.35 mm=1.944 cc. Half full would be 0.97 cc or about 19 drops.
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if it is 1.2 m square (1.44 m^2 area of the bottom)*1.35 m=1.944 m^3 of water
That is 1.944 m^3* 100cm/m*100cm/m*100 cm/m=1,944,000 cc or 1944 liters
Half of that is 972 liters so it would be 108 times filling the 9 l bucket.