1. **State the problem:** Calculate the value of the expression $50 + 200 + 197934935974 \times 5$. 2. **Recall the order of operations:** Multiplication must be done before addition. 3. **Calculate the multiplication first:** $$197934935974 \times 5 = 989674679870$$ 4. **Add the remaining numbers:** $$50 + 200 + 989674679870 = 989674680120$$ 5. **Final answer:** $$989674680120$$