A cylindrical tank is to be filled with diluted hydrochloric acid according to the equation V $=2\mathrm{.}54$h $($ln $(8$ht$^(2))$ where tank volume, V$,$ is expressed in ft$^3,$ level of solution in the tank,h is expressed in ft and filling time,t is in minutes. Determine the units of constants $2\mathrm{.}54$ and $8.$ Determine also the volume of the solution if h is $7$ meter and t is $1\mathrm{.}5$ hour. When the equation above is expressed in Sl units i$.$e V in m$^3,$h in m$,$ and t in seconds, derive the new equation and find the new constants and its units.