Gematria Calculation Result for pence slamming earn it act mmxx on Roman Numeral

This is calculated by summing each letter's value: p(0) + e(0) + n(0) + c(100) + e(0) + (0) + s(0) + l(50) + a(0) + m(1000) + m(1000) + i(1) + n(0) + g(0) + (0) + e(0) + a(0) + r(0) + n(0) + (0) + i(1) + t(0) + (0) + a(0) + c(100) + t(0) + (0) + m(1000) + m(1000) + x(10) + x(10).