Answer:
712,402.454
Step-by-step explanation:
10×8=80
80×4=320
320×6=1,920
1,920×9=17,280
17,280×7=120,960
120,960×8=967,680
967,680×6=5,806,080
5,806,080×5=29,030,400
29,030,400×3=87,091,200
87,091,200×4=348,364,800
348,364,800×1=348,364,800
348,364,800×2=696,729,600
696,729,600÷978=712,402.454
