If it's not what You are looking for type in the equation solver your own equation and let us solve it.
v in (-oo:+oo)
v = (3.14*(2^2)^4)/3 // - (3.14*(2^2)^4)/3
v-((3.14*(2^2)^4)/3) = 0
v-1.04666667*(2^2)^4 = 0
v-267.94666752 = 0 // + 267.94666752
v = 267.94666752
v = 267.94666752
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