[填空题]
A water tank is the shapa,gip0-y5 d ,;ju . qhyos,jgwe of a cube wit ;b7v ys om**r.xny0yn0h8udj h 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.)