There is some rice in the cafeteria, 35% of the total is eaten in the first week, and 180 kg is eaten in the second week. At this time, the remaining rice is as much as the rice eaten. How many kilograms of rice did the cafeteria have?
食堂有一些大米，第一周吃掉总数的35%，第二周吃了180千克，这时剩下的大米与吃了的大米一样多．食堂原来有大米多少千克？
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">(1/2) - (7/20)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">180 / (3/20)</gadget>
<output>1_200</output>

<result>1_200</result>