5*g*a*l*l*o*n*s/12*f*l*o*z
solve(5*a*f*g*l**3*n*o**2*s*z/12, a)
diff(5*a*f*g*l**3*n*o**2*s*z/12, a)
series(5*a*f*g*l**3*n*o**2*s*z/12, a, 0, 10)
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