Alright, let's work through 39713985 times 61437987 step by step
39713985 × 61437987 = 61437987 × (39713985)
+ 61437987 × 5 giving us 307189935
+ 61437987 × 80 giving us 4915038960
+ 61437987 × 900 that equals 55294188300
+ 61437987 × 3000 giving us 184313961000
+ 61437987 × 10000 that is equal 614379870000
+ 61437987 × 700000 producing 43006590900000
+ 61437987 × 9000000 what gives us 552941883000000
+ 61437987 × 30000000 producing 1843139610000000

= 2439947294148195
