Calculate 1 × 4 + 4 × 7 + 7 × 10 +... + 19 × 22 + 22 × 25

Calculate 1 × 4 + 4 × 7 + 7 × 10 +... + 19 × 22 + 22 × 25

=4*8+10*20+16*32+22*44=1712