Install taller Main Landing Gears and position the MLG trunnions further outboard in the wing compared to present location. For example, a B757 MLG redesign with a two wheel assembly, instead of a four wheel bogie should solve the issue, fitting the wheels nicely into the unchanged fuselage wheel wells.
Reposition the LEAP engines to the correct location with a pylon redesign to restore aerodynamic stability, comparable to the earlier B737 generations.
Remove MCAS software all together.
Then for
PR reasons, if so desired, change MAX into MIX . . . . .