[填空题]
A water tank is the shape of a cube with sides of hmgcngs6okh,j5 r+54 d*jl v,u/ ,ba2(,ys e7ip.fug ) /u*b;qccrw y2ijrvo $3.00 \mathrm{~m}$. 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.)