[填空题]
A water tank is the shaphh(bud kk2 z (wi,2)ti4pssdzp8z j;gt )/ek 5e of a cube w iwq9;0bt5 tohith 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.)