E = \frac{C U^{2}}{2} = \frac{177 F (51 V)^{2}}{2} = \underline{\underline{4500 J}}

${E = \frac{CU^2}{2} = \frac{177\, \mathrm{F}(51\, \mathrm{V})^2}{2} = \underline{\underline{4500\, \mathrm{J}}}}$

Error