The high-speed railway will be opened between Hangzhou and Shanghai. After the opening, it is expected to increase the speed by 150%. The speed of the train between Shanghai and Hangzhou is 108 kilometers per hour. It takes 1 hour and 40 minutes to reach Shanghai from Hangzhou. After the opening of the high-speed train, how many kilometers per hour will it reach rice?
杭州到上海之间将开通高速铁路，开通后预计可以提速150%现在沪杭铁路之间的列车时速为108千米，1小时40分可以从杭州到达上海，高速列车开通后时速将达到多少千米？
<gadget id="calculator">150 / 100</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">1 + (3/2)</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">108 * (5/2)</gadget>
<output>270</output>

<result>270</result>