druid 5e spell slots

When you hit Druid 7, if you have those 3 Warlock levels, you're down two 4th level and two 5th level spell slots. A level 7 druid can cast 4th level spells, ...

The Druid Spell Slots per Spell Level Level Proficiency Bonus Features Cantrips Known 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 1st +2 Druidic, Spellcasting 2 2.

Number of Prepared Spells = Druid Level + Wisdom Modifier (minimum of 1 spell.).