Line breaking with Wrap causes inconsistent positioning

[RelatedTitle]

The line-breaking doc suggests breaking the latex into parts and putting them into a Wrap widget, however, this causes inconsistencies in the positioning and spacing between the parts.

x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}

Actual result:

Expected result:

Is there a better way to do this?

[Maclaon]

set crossAxisAlignment and runSpacing in Wrap widget.

return Wrap(
  crossAxisAlignment: WrapCrossAlignment.center,
  runSpacing: 30.h,
  children: breakEquation.parts,
);