With three bullocks ... And they slew a bullock. — At first sight, there seems to be a discrepancy here, and the Septuagi…

And they slew a bullock
One of the three Hannah brought, unless the singular is put for the plural, and so all three…

Elkanah and his family had a journey before them, and a family of children to take with them, yet they would not move until they had worshipped God…