No problem, we've got 66971543 and 18433860 to multiply
66971543 × 18433860 = 18433860 × (66971543)
+ 18433860 × 3 what gives us 55301580
+ 18433860 × 40 yielding 737354400
+ 18433860 × 500 resulting in 9216930000
+ 18433860 × 1000 which equals 18433860000
+ 18433860 × 70000 giving us 1290370200000
+ 18433860 × 900000 what gives us 16590474000000
+ 18433860 × 6000000 which equals 110603160000000
+ 18433860 × 60000000 that results in 1106031600000000

= 1234544047645980
