(2/3)*7+(2/3)*5.
(2/3)*7+(2/3)*5．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/3) * 7</gadget>
<output>14/3 = around 4.666667</output>

<gadget id="calculator">(2/3) * 5</gadget>
<output>10/3 = around 3.333333</output>

<gadget id="calculator">(14/3) + (10/3)</gadget>
<output>8</output>

<result>8</result>