Find the SURFACE AREA of the shape below. Do NOT label your answer! (Ignore the red line that looks like a 1. I don't know why it showed up on the picture

Answer:
486in²
Step-by-step explanation:
The solid given above is a cube.
(all sides are equal)
SA of cube
= 6a²
= 6(9²)
= 6(81)
= 486