Alright, let's work through 54041706 times 78371058 step by step
54041706 × 78371058 = 78371058 × (54041706)
+ 78371058 × 6 that is equal 470226348
+ 78371058 × 00 which equals 0
+ 78371058 × 700 yielding 54859740600
+ 78371058 × 1000 which equals 78371058000
+ 78371058 × 40000 that equals 3134842320000
+ 78371058 × 000000 that equals 0
+ 78371058 × 4000000 which equals 313484232000000
+ 78371058 × 50000000 yielding 3918552900000000

= 4235305675344948
