Dividing Scientific Notation — Examples & Practice

At the end of Veritasium's explanation, he tells us that the mass of a proton is $1.673\times 10^{-27}\text{kg}$ and the mass of the Sun is $2.0\times 10^{30}\text{ kg}.$ Then he asks a challenge question: If the Sun was made entirely of protons, how many protons would there be in the Sun?