Alright, let's work through 40371221 times 42979870 step by step
40371221 × 42979870 = 42979870 × (40371221)
+ 42979870 × 1 which equals 42979870
+ 42979870 × 20 what gives us 859597400
+ 42979870 × 200 which equals 8595974000
+ 42979870 × 1000 that results in 42979870000
+ 42979870 × 70000 yielding 3008590900000
+ 42979870 × 300000 that is equal 12893961000000
+ 42979870 × 0000000 yielding 0
+ 42979870 × 40000000 giving us 1719194800000000

= 1735149830321270
