Alright, let's work through 75418779 times 66670554 step by step
75418779 × 66670554 = 66670554 × (75418779)
+ 66670554 × 9 yielding 600034986
+ 66670554 × 70 giving us 4666938780
+ 66670554 × 700 that equals 46669387800
+ 66670554 × 8000 that equals 533364432000
+ 66670554 × 10000 yielding 666705540000
+ 66670554 × 400000 resulting in 26668221600000
+ 66670554 × 5000000 giving us 333352770000000
+ 66670554 × 70000000 what gives us 4666938780000000

= 5028211777933566
