食堂里共有42张长桌。原来每张长桌可以坐24人，根据当前疫情防控要求，用餐时要间隔入座且不能面对面坐。现在食堂最多可以容纳多少人同时用餐？---**Chart/Diagram Description:** * **Type:** Schematic diagram / Geometric arrangement. * **Main Elements:** * A horizontal rectangle is positioned in the center of the diagram. The interior of the rectangle is shaded light red or pink. The outline of the rectangle is a thin black line. * Numerous small circles are arranged in two horizontal rows, one above the rectangle and one below the rectangle. * There are 10 circles in the row above the rectangle and 10 circles in the row below the rectangle. * Each row of circles is approximately the same length as the rectangle. * The circles are uniformly spaced within each row. * The circles are colored light red or pink, similar to the shading within the rectangle.