מִנְחָתָ֣ם וְנִסְכֵּיהֶ֗ם לַפָּ֨ר לָאַ֧יִל וְלַכְּבָשִׂ֛ים בְּמִסְפָּרָ֖ם כַּמִּשְׁפָּֽט׃
their meal-offering and their drink-offerings for the bullock, for the ram, and for the lambs, shall be according to their number, after the ordinance;
Read kabbalistic (mystical) interpretation of Numbers 29:37: and classical mystical sources.