Needs to include that you do maths biology and geography and have a passion for all of them but relate everything back to finance.
Talk about yourself having skills like being pragmatic, good in a team, told by an old teacher you would be the future prime minister.
Explain that finance is a facinating topic as money makes the world go round. Had to include that you do kickboxing, play chess, have a job which teaches communication and leadership skills.
Write a personal Statement explaining that finance is a fascinating topic as money makes the world go round.