school made a cement-poured table tennis table. The ratio of centimeter stone to sand was 7:3. The centimeter stone used 160 kg more than the sand, and the cement used 200 kg. How much does this table weigh?
某校做一块水泥浇灌的乒乓球桌面，其中公分石和沙的比是7：3，公分石比沙多用了160千克，水泥用了200千克，这块桌面重多少千克？
<gadget id="calculator">7 - 3</gadget>
<output>4</output>

<gadget id="calculator">160 / 4</gadget>
<output>40</output>

<gadget id="calculator">7 + 3</gadget>
<output>10</output>

<gadget id="calculator">40 * 10</gadget>
<output>400</output>

<gadget id="calculator">400 + 200</gadget>
<output>600</output>

<result>600</result>