Well, she can't not demonstrate she knows the solutions for basic math.
Transcript
Idrisah: Is that binary counting?? Avians do something similar…
Talita: Yeah… Though I’m cheating to take it higher than 15…
She swaps between the 0 and 16 fist positions.
Gillie grins at Talita.
Gillie: (ASL) What’s 2 plus 2?
Talita: Uh...
She hesitantly holds up her hand with the binary position 0010.
Talita: (sign) …4?
Gillie grins wider.
Gillie: (ASL) What’s 4 times 2?
Talita: (sign) 8.
Gillie: (ASL) What’s 30 minus 5 times 4 divided by 11?