{"result":{"text":"begin mathsize 14px style S equals 1 plus 1 half open parentheses 1 plus 2 close parentheses plus 1 third open parentheses 1 plus 2 plus 3 close parentheses plus 1 fourth open parentheses 1 plus 2 plus 3 plus 4 close parentheses plus horizontal ellipsis horizontal ellipsis end style"},"status":"ok"}