{"result":{"text":"W space equals space a r e a space o f space e l l i p s e space equals space pi space cross times space p r e s s u r e space r a d i u s space cross times space v o l u m e space r a d i u s\nW equals pi open parentheses fraction numerator P subscript 2 minus P subscript 1 over denominator 2 end fraction close parentheses open parentheses fraction numerator V subscript 2 minus V subscript 1 over denominator 2 end fraction close parentheses equals pi over 4 left parenthesis P subscript 2 minus P subscript 1 right parenthesis left parenthesis V subscript 2 minus V subscript 1 right parenthesis"},"status":"ok"}