It took 3.5 log of oil to light the menorah - half a log per cup (with 6 branches, plus the shamash). That's the precise amount of oil to burn through the night, but did they figure that out by using excess oil and working the amount down, or did they start with a little and keep adding until they made it through the night? Also, a new mishnah: where libations that accompany the animal sacrifices were transferrable or combinable among some specific sacrifices. Plus, the lamb that was brought by the person recovering from tzara'at for the guilt-offering needs libations together with it.