No problem, we've got 66763837 and 66760848 to multiply
66763837 × 66760848 = 66760848 × (66763837)
+ 66760848 × 7 yielding 467325936
+ 66760848 × 30 giving us 2002825440
+ 66760848 × 800 giving us 53408678400
+ 66760848 × 3000 yielding 200282544000
+ 66760848 × 60000 which equals 4005650880000
+ 66760848 × 700000 which equals 46732593600000
+ 66760848 × 6000000 what gives us 400565088000000
+ 66760848 × 60000000 yielding 4005650880000000

= 4457210373853776
