{"result":{"text":"display style a with ⃗ on top plus b with ⃗ on top equals not stretchy left parenthesis 2 plus not stretchy left parenthesis negative 1 not stretchy right parenthesis comma negative 1 plus 4 comma 3 plus 2 not stretchy right parenthesis equals not stretchy left parenthesis 1 comma 3 comma 5 not stretchy right parenthesis"},"status":"ok"}