If $\text{E}^\circ \left( \text{Fe}_{(\text{aq})}^{+2} \mid \text{Fe}_{(\text{s})} \right) = -0.44 \text{ V}$ and $\text{E}^\circ \left( \text{Sn}_{(\text{aq})}^{+2} \mid \text{Sn}_{(\text{s})} \right) = -0.14 \text{ V}$
What is standard emf of cell containing the two electrodes?