22.

400 - 120 * 3 = 400 - 360 = 40

400 - 100 * 3 = 400 - 300 = 100

400 - 80 * 3 = 400 - 240 = 160

400 - 60 * 3 = 400 - 180 = 220

400 - 40 * 3 = 400 - 120 = 280

400 - 20 * 3 = 400 - 60 = 340