#2 fix

tex/wp.tex

@@ -510,14 +510,14 @@ \section{Taxes}\label{sec:taxes}
 A one-year-old wallet with 4096 transactions will pay approximately 16 ZLD taxes annually
 (1 ZLD equals to $2^{32}$ zents):
 
-% \begin{equation}
-% \begin{split}
-% X & = 365 \times 24 \times 60 \times 4096 \times 32z \\
-%   & = \num{2152857600} \times 32z \\
-%   & = \num{68891443200}z \\
-%   & \approx 16 \text{ZLD}.
-% \end{split}
-% \end{equation}
+\begin{equation}
+\begin{split}
+X & = 365 \times 24 \times 60 \times 4096 \times 32z \\
+  & = \text{2152857600} \times 32z \\
+  & = \text{68891443200}z \\
+  & \approx 16 \text{ZLD}.
+\end{split}
+\end{equation}
 
 In order to pay taxes the owner of the wallet must select a remote
 node from the network with a score of 16 or more. Then, it has to