Mt. Everest has an elevation of 8{,}848 \text{ m}8,848 m8, comma, 848, start text, space, m, end text above sea level. Mariana Trench's deepest point is 19{,}842 \text{ m}19,842 m19, comma, 842, start text, space, m, end text lower than the height of Mt. Everest. How many meters below sea level is the deepest point of Mariana Trench?