[填空题]
A water tank is the s ufkfasz30g0.-*i.u dv4 yodx hape of a cube with s w7*kj n*g2;b0vs :jdxl4tetsides 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.)