Gematria Calculation Result for ours is not to reason why on Roman Numeral

This is calculated by summing each letter's value: o(0) + u(5) + r(0) + s(0) + (0) + i(1) + s(0) + (0) + n(0) + o(0) + t(0) + (0) + t(0) + o(0) + (0) + r(0) + e(0) + a(0) + s(0) + o(0) + n(0) + (0) + w(0) + h(0) + y(0).