On the Subject of Emoticon Math

Decipher the emojis on the display into numbers and a symbol and solve the answer to the question. Enter the answer with the keypad and press ‘=’ to submit it. Use ‘-’ to toggle the negative sign for negative answers. There’s no delete button so press those buttons carefully!

For example: translates to 1+1

EmojiNumber
or or 0
or or 1
or or 2
or or 3
or or 4
or or 5
or or 6
or or 7
or or 8
or or 9
EmojiSymbol
or or +
or or -
or or ×