1. **State the problem:** Calculate the value of the expression $$847,293 \times 652,847 - 389,476,921,350$$. 2. **Multiply the two numbers:** $$847,293 \times 652,847$$ 3. Perform the multiplication: $$847,293 \times 652,847 = 553,338,963,471$$ 4. **Subtract the second number:** $$553,338,963,471 - 389,476,921,350$$ 5. Perform the subtraction: $$553,338,963,471 - 389,476,921,350 = 163,862,042,121$$ 6. **Final answer:** $$163,862,042,121$$