human
performance graph the following graph compares the total return, assuming reinvestment of dividends, on an investment in the company, based on performance of the company's common stock, with the total return of the standard & poor's 500 composite stock index and the dow jones united states travel and leisure index for a five year period by measuring the changes in common stock prices from december 31, 2012 to december 31, 2017. .
|  | 12/12 | 12/13 | 12/14 | 12/15 | 12/16 | 12/17 |
| --------- | --------- | --------- | --------- | --------- | --------- | --------- |
| Royal Caribbean Cruises Ltd. | 100.00 | 142.11 | 251.44 | 313.65 | 260.04 | 385.47 |
| S&P 500 | 100.00 | 132.39 | 150.51 | 152.59 | 170.84 | 208.14 |
| Dow Jones US Travel & Leisure | 100.00 | 145.48 | 169.28 | 179.27 | 192.85 | 238.77 |
the stock performance graph assumes for comparison that the value of the company's common stock and of each index was $100 on december 31, 2012 and that all dividends were reinvested. past performance is not necessarily an indicator of future results. .
Please compute the result.
what is the sum of the prices of royal caribbean cruises and the s&p 500 in 2017?
assistant
593.61
human
what was the value of the dow jones us travel & leisure index in 2017?
assistant
238.77
human
what is the total sum?
assistant
832.38
human
what is that divided by 3?
assistant
277.46