John buys koolaid for 12… cheaper per liter at the wholesale store

John buys koolaid for 12$ at a local store. If he bought it at the wholesale store he would get an extra liter of koolaid for the same cost. Also, the koolaid is 1$ cheaper per liter at the wholesale store. What is the price per liter of the koolaid at the local store?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · dev #97