{"result":{"text":"begin mathsize 14px style rightwards double arrow fraction numerator d v over denominator d u end fraction equals fraction numerator 2 u plus 2 h plus 3 v plus 3 k minus 7 over denominator 3 u plus 3 h plus 2 v plus 2 k minus 8 end fraction equals fraction numerator 2 u plus 3 v over denominator 2 u plus 2 v end fraction end style"},"status":"ok"}