The "Suguo" supermarket transports (2/7) tons of vegetables, which is (1/2) tons less than the fruit. How many tons of vegetables and fruits did the "Suguo" supermarket transport in total?
"苏果"超市运进蔬菜(2/7)吨，比运进的水果少(1/2)吨．"苏果"超市运进蔬菜和水果一共多少吨？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(2/7) + (1/2) + (2/7)</gadget>
<output>15/14 = around 1.071429</output>

<result>15/14 = around 1.071429</result>