HUNTC-138: Beth!? 80％？ Beth yw'r rhif hwn? Byd lle mae'r tebygolrwydd o gael ei ddelweddu a dim ond fi sy'n gallu ei weld! Beth yw'r rhif ar ben eich pen?

What!? 80％？ What is this number? A world where the probability of getting is visualized and only I can see it! What's the number on top of your head?