R136a1 is 265 times the mass of the sun, and the Milky Way is 14 billion times (14 times), a difference of several hundred million times.
R136a1 is a very big star, which can be said to be astonishingly big, but it still has nothing to compare with a galaxy.
R136a is a cluster composed of many stars, including R136a1. The cluster R136a is only a part of the Large Magellanic Cloud, which is only 1/2 of the size of the Milky Way.
That's enough imagery. Do you think the pictures are meaningful? Put the Milky Way into the picture, R136a1 is simply too small to see ...