context: In the financial year ending 31 July 2011, the University of Manchester had a total income of £808.58 million (2009/10 – £787.9 million) and total expenditure of £754.51 million (2009/10 – £764.55 million). Key sources of income included £247.28 million from tuition fees and education contracts (2009/10 – £227.75 million), £203.22 million from funding body grants (2009/10 – £209.02 million), £196.24 million from research grants and contracts (2009/10 – £194.6 million) and £14.84 million from endowment and investment income (2009/10 – £11.38 million). During the 2010/11 financial year the University of Manchester had a capital expenditure of £57.42 million (2009/10 – £37.95 million).
question: How many more millions of British pounds of income came from research grants and contracts than from endowment and investment income?
answer: 181.4