[填空题]
A water tank is the shape of a c0n*g6bw.,si;t .w:gbyrpd d exo17ecukbv6( spvs31tug q27vh4ul6bbe with sides of $3.00 \mathrm{~m}$. Each side is measured with an uncertainty of $1.0 \%$. What is the absolute uncertainty in the volume of the tank? (please only input numerical value without units and without the $\pm$ symbol.)