The cafeteria bought (3/10) tons of rice, and bought (1/10) more tons of flour than rice. How many tons of rice and flour did the cafeteria buy in total?
食堂买来(3/10)吨大米，买的面粉比大米多(1/10)吨，食堂买来大米、面粉共多少吨？
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(3/10) + (1/10) + (3/10)</gadget>
<output>7/10 = around 0.7</output>

<result>7/10 = around 0.7</result>