The canteen shipped a total of 650 kg of rice and vegetable oil. The vegetable oil shipped was less (1/7) than the rice. How many kilograms of rice was shipped?
食堂运来大米和菜油共650千克，运来的菜油比大米少(1/7)，运来的大米有多少千克？
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 - (1/7)</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">(6/7) + 1</gadget>
<output>13/7 = around 1.857143</output>

<gadget id="calculator">650 / (13/7)</gadget>
<output>350</output>

<result>350</result>