One whole time. After that, there's only enough room left for 379 more milliliters, so there's no way to stuff all 621 of them in there again.
600/16 = 37.5 16 can go into 600 37.5 times.
16
34 ÷ 16 = 2 with remainder 2
16 pints = 8 quarts
16 and remainder 2
0.08625 times
your moms weight
621
7, R 16
Eight times exactly.
2,056 times.