The canteen brings in 500 kilograms of rice, and the amount of flour brought in is less (3/10) than the amount of rice brought in. How many kilograms of rice and flour are brought in in total?
食堂运进大米500千克，运进的面粉比运进的大米少(3/10)，一共运进大米和面粉多少千克？
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

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

<gadget id="calculator">500 * (7/10)</gadget>
<output>350</output>

<gadget id="calculator">500 + 350</gadget>
<output>850</output>

<result>850</result>