No problem, we've got 7170 and 4272 to multiply
7170 × 4272 = 4272 × (7170)
+ 4272 × 0 that is equal 0
+ 4272 × 70 yielding 299040
+ 4272 × 100 resulting in 427200
+ 4272 × 7000 what gives us 29904000

= 30630240
