1. **State the problem:** Find the volume of a rectangular prism with dimensions 4 units by 3 units by 2 units. 2. **Formula:** The volume $V$ of a rectangular prism is given by the formula: $$V = \text{length} \times \text{width} \times \text{height}$$ 3. **Apply the formula:** Substitute the given dimensions: $$V = 4 \times 3 \times 2$$ 4. **Calculate step-by-step:** $$4 \times 3 = 12$$ $$12 \times 2 = 24$$ 5. **Conclusion:** The volume of the rectangular prism is $24$ cubic units.