{"pre_text": ["the company granted 1020 performance shares .", "the vesting of these shares is contingent on meeting stated goals over a performance period .", "beginning with restricted stock grants in september 2010 , dividends are accrued on restricted class a common stock and restricted stock units and are paid once the restricted stock vests .", "the following table summarizes restricted stock and performance shares activity for 2010 : number of shares weighted average grant date fair value ."], "post_text": ["the total fair value of restricted stock that vested during the years ended december 31 , 2010 , 2009 and 2008 , was $ 10.3 million , $ 6.2 million and $ 2.5 million , respectively .", "eligible employees may acquire shares of cme group 2019s class a common stock using after-tax payroll deductions made during consecutive offering periods of approximately six months in duration .", "shares are purchased at the end of each offering period at a price of 90% ( 90 % ) of the closing price of the class a common stock as reported on the nasdaq .", "compensation expense is recognized on the dates of purchase for the discount from the closing price .", "in 2010 , 2009 and 2008 , a total of 4371 , 4402 and 5600 shares , respectively , of class a common stock were issued to participating employees .", "these shares are subject to a six-month holding period .", "annual expense of $ 0.1 million for the purchase discount was recognized in 2010 , 2009 and 2008 , respectively .", "non-executive directors receive an annual award of class a common stock with a value equal to $ 75000 .", "non-executive directors may also elect to receive some or all of the cash portion of their annual stipend , up to $ 25000 , in shares of stock based on the closing price at the date of distribution .", "as a result , 7470 , 11674 and 5509 shares of class a common stock were issued to non-executive directors during 2010 , 2009 and 2008 , respectively .", "these shares are not subject to any vesting restrictions .", "expense of $ 2.4 million , $ 2.5 million and $ 2.4 million related to these stock-based payments was recognized for the years ended december 31 , 2010 , 2009 and 2008 , respectively. ."], "table": [["", "number of shares", "weighted average grant date fair value"], ["outstanding at december 31 2009", "116677", "$ 280"], ["granted", "134245", "275"], ["vested", "-34630 ( 34630 )", "257"], ["cancelled", "-19830 ( 19830 )", "260"], ["outstanding at december 31 2010", "196462", "283"]], "table_ori": [["", "Number of Shares", "Weighted Average Grant Date Fair Value"], ["Outstanding at December 31, 2009", "116,677", "$280"], ["Granted", "134,245", "275"], ["Vested", "(34,630)", "257"], ["Cancelled", "(19,830)", "260"], ["Outstanding at December 31, 2010", "196,462", "283"]]}

Question: considering the weighted average grant date fair value , whats is the difference between how many actual shares vested during the year of 2010 and how many vested based on the average grant fair value?
Evidence:
table_3: the vested of number of shares is -34630 ( 34630 ) ; the vested of weighted average grant date fair value is 257 ;
text_4: the total fair value of restricted stock that vested during the years ended december 31 , 2010 , 2009 and 2008 , was $ 10.3 million , $ 6.2 million and $ 2.5 million , respectively .
Program: multiply(10.3, const_1000000), divide(#0, 257), subtract(#1, 34630)
Answer:
str_answer: 5447
exe_answer: 5447.82101