The distance between A and B is 220 meters. Xiao Hua and Xiao Hong are walking towards each other from A and B respectively. When Xiao Hua walked 85.2 meters, Xiao Hong walked 70.5 meters. How many meters are there between them?
甲乙两地相距220米，小华和小洪分别从甲乙两地相对走来，当小华走了85.2米时，小洪走了70.5米，两人还相距多少米？
<gadget id="calculator">220 - 85.2 - 70.5</gadget>
<output>64.3</output>

<result>64.3</result>