The distance between every two adjacent poles in a row is 45m, and now it is changed to 60m. If one pole at the starting point does not move, at least how far away is another pole that does not move?
一排电线杆每相邻两根间的距离是45m，现在改成60m，如果起点的一根电线杆不移动，至少再隔多远又有一根电线杆不移动？
<gadget id="calculator">2 * 2 * 3 * 3 * 5</gadget>
<output>180</output>

<result>180</result>