45.6 billion South Korean won is roughly around 26–27 million euros , depending on the exact exchange rate at the time you convert.

Using a recent average rate of about 0.00058 euro per won, you can estimate it like this:
45,600,000,000 × 0.00058 ≈ 26,448,000 euros.

Exchange rates move daily, so for a precise, up‑to‑the‑minute figure, you’d want to plug 45,600,000,000 KRW into a live currency converter that uses the latest KRW→EUR market rate.