No problem, we've got 5726 and 8378 to multiply
5726 × 8378 = 8378 × (5726)
+ 8378 × 6 which equals 50268
+ 8378 × 20 that is equal 167560
+ 8378 × 700 which equals 5864600
+ 8378 × 5000 producing 41890000

= 47972428
