The first passenger train on the Beijing-Kowloon Line travels 60 kilometers per hour. After the speed is increased, it is 40 kilometers per hour more than twice that of the initial journey.
京九线上开出的第一趟旅客列车，每小时行60千米，提速以后每小时比初行时2倍多40千米，提速后每小时经初行时多行多少千米？
<gadget id="calculator">60 * 2</gadget>
<output>120</output>

<gadget id="calculator">40 - 60</gadget>
<output>-20</output>

<gadget id="calculator">120 + (-20)</gadget>
<output>100</output>

<result>100</result>