This is a problem of combinations divided like this
[tex]baseSoda+addedflavour[/tex]since this is a sum we can solve by the product and solve each combination independently
[tex]\begin{gathered} baseSoda+addedflavour \\ (5C1)\cdot(12C1) \\ 5\cdot12 \\ 60 \end{gathered}[/tex]There are 60 different ways you can select the soda combination