Question on AI Generated Math Equation Graphics (For Kids)

Hey everyone, new to the site and pretty new to AI as well. I’ve been messing around with Chat GPT and MidJourney but haven’t been able to solve an issue I have. I’m looking to create a children’s math workbook with my own theme style, but haven’t figured out how to get equations like the attached pictures generated by AI. Does anyone know of a good tool that would work well for creating custom versions similar to the included image easily? I’d be open to them as a single image / text or if I needed to multiple images / text. Any help would be greatly appreciated!