Alright, let's work through 18037986 times 71706362 step by step
18037986 × 71706362 = 71706362 × (18037986)
+ 71706362 × 6 which equals 430238172
+ 71706362 × 80 what gives us 5736508960
+ 71706362 × 900 that results in 64535725800
+ 71706362 × 7000 yielding 501944534000
+ 71706362 × 30000 that is equal 2151190860000
+ 71706362 × 000000 that results in 0
+ 71706362 × 8000000 that equals 573650896000000
+ 71706362 × 10000000 yielding 717063620000000

= 1293438353866932
