No problem, we've got 81334284 and 42709765 to multiply
81334284 × 42709765 = 42709765 × (81334284)
+ 42709765 × 4 yielding 170839060
+ 42709765 × 80 that results in 3416781200
+ 42709765 × 200 which equals 8541953000
+ 42709765 × 4000 that is equal 170839060000
+ 42709765 × 30000 giving us 1281292950000
+ 42709765 × 300000 which equals 12812929500000
+ 42709765 × 1000000 yielding 42709765000000
+ 42709765 × 80000000 what gives us 3416781200000000

= 3473768156083260
