Gematria Calculation Result for marilyn monroe true identity on Roman Numeral

This is calculated by summing each letter's value: m(1000) + a(0) + r(0) + i(1) + l(50) + y(0) + n(0) + (0) + m(1000) + o(0) + n(0) + r(0) + o(0) + e(0) + (0) + t(0) + r(0) + u(5) + e(0) + (0) + i(1) + d(500) + e(0) + n(0) + t(0) + i(1) + t(0) + y(0).