{"result":{"text":"begin mathsize 14px style rightwards double arrow open parentheses a with rightwards arrow on top times c with rightwards arrow on top close parentheses b with rightwards arrow on top minus open parentheses a with rightwards arrow on top times b with rightwards arrow on top close parentheses c with rightwards arrow on top equals open parentheses a with rightwards arrow on top times d with rightwards arrow on top close parentheses b with rightwards arrow on top minus open parentheses a with rightwards arrow on top times b with rightwards arrow on top close parentheses d with rightwards arrow on top end style"},"status":"ok"}