The train travels 90 kilometers per hour, and the high-speed rail is 20 kilometers faster than the train three times per hour. How many kilometers per hour does the high-speed rail travel?
火车每小时行驶90千米，高铁每小时比火车的3倍还快20千米，高铁每小时行驶多少千米？
<gadget id="calculator">90 * 3</gadget>
<output>270</output>

<gadget id="calculator">270 + 20</gadget>
<output>290</output>

<result>290</result>