On Saturday, Zhang Hong and Liu Miao agreed to go to the library from their home at 8:35 at the same time. The two walk in the same direction and arrive at the library at 9:00 at the same time. Zhang Hong walks 55 meters per minute, and Liu Miao walks 70 meters per minute. How many meters are there between them?
星期六，张红和刘苗两人约定8：35同时从自己家去图书馆．两人沿同一个方向行走，9：00同时到达图书馆．张红每分走55米，刘苗每分走70米．他们两家相距多少米？
<gadget id="calculator">55 + 70</gadget>
<output>125</output>

<gadget id="calculator">25 * 125</gadget>
<output>3_125</output>

<result>3_125</result>