The table given below shows the marks obtained by five students in 4 different subjects. Maximum marks for each subject is 100.
| Student | Subject | |||
| U | V | W | X | |
| Roshan | 68 | 64 | 60 | 72 |
| Sameer | 74 | 76 | 68 | 64 |
| Aryan | 61 | 64 | 59 | 81 |
| Monika | 87 | 71 | 84 | 56 |
| Anshika | 92 | 69 | 52 | 77 |
What is the average of total marks obtained by all five students in subject V?