The homes of Jingjing and Lingling are in the east and west of the stadium respectively. They meet to exercise on Sunday morning. The two set off at the same time, Jingjing walked 80 meters per minute, Lingling walked 75 meters per minute, and after 4 minutes the two met at the gate of the stadium. How many meters are there between the two of them?
晶晶和玲玲的家分别在在体育场的东面和西面．星期天上午她们相约去锻炼．两人同时出发，晶晶每分走80米，玲玲每分走75米，经过4分两人在体育场门口会面了．她们两家之间相距多少米？
<gadget id="calculator">80 + 75</gadget>
<output>155</output>

<gadget id="calculator">155 * 4</gadget>
<output>620</output>

<result>620</result>