4. As shown in the figure: A table can seat 6 people, two tables put together can seat 10 people, three tables put together can seat 14 people. In this way, 10 tables arranged in two rows, with 5 tables in each row, can seat $\qquad$ people.
【Analysis】A row of 5 tables, on the long side each can seat $2 \times 5=10$ people. On the short side each can seat 1 person, in total it can seat $(10+1) \times 2=22$ people, two rows can seat $22 \times 2=44$ people.