Calculate the values for the row '20 * (c + d)'.

Using the calculated values from the 'c + d' row:

First column: 20 * 15 = 300.

Second column: 20 * 20 = 400.

Third column: 20 * 30 = 600.

Fourth column: 20 * 41 = 820.

Fifth column: 20 * 50 = 1000.

Sixth column: 20 * 200 = 4000.