No problem, we've got 8420 and 8148 to multiply
8420 × 8148 = 8148 × (8420)
+ 8148 × 0 that is equal 0
+ 8148 × 20 that equals 162960
+ 8148 × 400 that results in 3259200
+ 8148 × 8000 that results in 65184000

= 68606160
