PIMSO 2022 - Mathematics - Grade 6 - National Round Question 13

Simplify $5^{12}\left[(\frac{1}{125})^{2023}×(\frac{1}{625})^{2022}×(5^{2021})^7×(\frac{1}{25})^{2022}×(625^{2021})^{1/2}\right]$.