וַיָּ֣מָד אֶת־הַשַּׁ֗עַר מִגַּ֤ג הַתָּא֙ לְגַגּ֔וֹ רֹ֕חַב עֶשְׂרִ֥ים וְחָמֵ֖שׁ אַמּ֑וֹת פֶּ֖תַח נֶ֥גֶד פָּֽתַח׃
And he measured the gate from the roof of the one cell to the roof of the other, a breadth of five and twenty cubits; door against door.
Read midrashic interpretation of Ezekiel 40:13: and classical rabbinic exegesis.