cube root=일본어 "立方根"。 왜 이렇게 번역했어?
<iframe width="1280" height="720" src="https://www.youtube.com/embed/Ds8ijPsg26g" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>