[填空题]
A water tank is the shape of l wp44vlww5 ecnjgl 0(.*mpf2a chvve1kvt h*+ 1w qcl6 hxk724vube 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.)