וְהָאוּלָ֗ם עַל־פְּנֵי֙ הֵיכַ֣ל הַבַּ֔יִת עֶשְׂרִ֣ים אַמָּה֙ אָרְכּ֔וֹ עַל־פְּנֵ֖י רֹ֣חַב הַבָּ֑יִת עֶ֧שֶׂר בָּאַמָּ֛ה רָחְבּ֖וֹ עַל־פְּנֵ֥י הַבָּֽיִת׃
And the porch before the atemple of the house, twenty cubits was the length thereof, according to the breadth of the house; and ten cubits was the breadth thereof before the house.
Read kabbalistic (mystical) interpretation of I Kings 6:3: and classical mystical sources.