No problem, we've got 9731 and 7470 to multiply
9731 × 7470 = 7470 × (9731)
+ 7470 × 1 yielding 7470
+ 7470 × 30 what gives us 224100
+ 7470 × 700 yielding 5229000
+ 7470 × 9000 giving us 67230000

= 72690570
