The distance between A and B is 320 meters. Xiaohua and Xiaohong start from A and B and walk towards each other. When Xiaohua walks 85.2 meters and Xiaohong walks 70.5 meters, how many meters are there between them?
甲、乙两地相距320米，小华和小红分别从甲、乙两地出发相对走来，当小华走了85.2米，小红走了70.5米时，两人还相距多少米？
<gadget id="calculator">85.2 + 70.5</gadget>
<output>155.7</output>

<gadget id="calculator">320 - 155.7</gadget>
<output>164.3</output>

<result>164.3</result>