1. **State the problem:** Calculate the result of the subtraction $5.921 - 13.2$. 2. **Recall the subtraction rule:** When subtracting a larger number from a smaller number, the result will be negative. 3. **Align the decimal points and subtract:** $$ 5.921 - 13.2 = 5.921 - 13.200 $$ 4. **Perform the subtraction:** $$ 5.921 - 13.200 = -(13.200 - 5.921) = -(7.279) = -7.279 $$ 5. **Final answer:** The result of $5.921 - 13.2$ is $-7.279$.