The given table shows the number of pastries sold by four different bakeries in four different months.
| Bakery | Month | |||
| April | May | June | July | |
| X | 640 | 665 | 962 | 748 |
| Y | 584 | 782 | 456 | 698 |
| Z | 612 | 498 | 729 | 621 |
| T | 771 | 630 | 568 | 777 |
What is the difference between the total number of pastries sold by bakeries X and T together in June, and the total number of pastries sold by bakeries Y and Z together in April?