No problem, we've got 66877265 and 83996949 to multiply
66877265 × 83996949 = 83996949 × (66877265)
+ 83996949 × 5 that equals 419984745
+ 83996949 × 60 yielding 5039816940
+ 83996949 × 200 that equals 16799389800
+ 83996949 × 7000 producing 587978643000
+ 83996949 × 70000 giving us 5879786430000
+ 83996949 × 800000 giving us 67197559200000
+ 83996949 × 6000000 which equals 503981694000000
+ 83996949 × 60000000 producing 5039816940000000

= 5617486217464485
