The table below shows the number of books read by five children in one month.
| Name | Number of books |
|---|
| Andrew | ? |
| Maryam | 7 |
| Ann | 23 |
| Ayuni | 23 |
| Shawn | 15 |
If Andrew read 3 books more than
of the total number of books read by the other four children, then how many books did Andrew read in a month?