Table:
|  | Number of Shares | Weighted-Average Exercise Price | Weighted Average Remaining Contractual Life (in years) | Aggregated Intrinsic Value (in thousands) |
| --- | --- | --- | --- | --- |
| Stock options outstanding - December 31, 2018 | - | - - |  |  |
| Granted | 5,835,724 | $0.56 |  |  |
| Forfeited or expired | (20,000) | $0.55 |  |  |
| Stock options outstanding - December 31, 2019 | 5,815,724 | $0.56 | 9.6 years | $2,725 |
| Stock options exercisable - December 31, 2019 | 137,500 | $0.55 | 9.6 years | $66 |
Paragraphs:
The following table summarizes the activity related to stock options during the year ended December 31, 2019
As of December 31, 2019, the Company had $1,641 of unrecognized stock-based compensation expense related to the stock options. This cost is expected to be recognized over a weighted-average period of 2.5 years.
(Dollars in thousands, except per share amounts)
Question:
What is the average number of stocks outstanding as at December 31, 2018 and 2019?
Answer: (5815724 + 0)/2   = 2907862