Complex sentence: The profit on 270 slaves was around £7,000 or £8,000 in the eighteenth century, so of the 15,554 slaves that Hobhouse disembarked in his career, the profit was between around £403,252 and £460,859.
Split into simpler sentences: The profit on 270 slaves was around £7,000 or £8,000 in the eighteenth century. Of the 15,554 slaves that Hobhouse disembarked in his career, the profit is estimated to have been between around £403,252 and £460,859.