No problem, we've got 67375253 and 80547331 to multiply
67375253 × 80547331 = 80547331 × (67375253)
+ 80547331 × 3 resulting in 241641993
+ 80547331 × 50 giving us 4027366550
+ 80547331 × 200 which equals 16109466200
+ 80547331 × 5000 yielding 402736655000
+ 80547331 × 70000 that equals 5638313170000
+ 80547331 × 300000 what gives us 24164199300000
+ 80547331 × 7000000 yielding 563831317000000
+ 80547331 × 60000000 resulting in 4832839860000000

= 5426896804599743
