1. **State the problem:** Calculate the value of the expression $9 + 13 \times 3$. 2. **Recall the order of operations:** According to the order of operations (PEMDAS/BODMAS), multiplication is performed before addition. 3. **Perform the multiplication first:** $$13 \times 3 = 39$$ 4. **Substitute back into the expression:** $$9 + 39$$ 5. **Perform the addition:** $$9 + 39 = 48$$ **Final answer:** $48$