It takes Xiaohong 18 minutes to walk from home to school, an average of 65 meters per minute. Because she is on duty today and needs to arrive at school 3 minutes earlier, if the departure time remains the same, how many meters does she have to walk per minute?
小红从家到学校要走18分钟，平均每分钟走65米．因为今天她要值日，需要提前3分钟到校，如果出发时间不变，那么她每分钟要走多少米？
<gadget id="calculator">18 - 3</gadget>
<output>15</output>

<gadget id="calculator">18 / 15</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">65 * (6/5)</gadget>
<output>78</output>

<result>78</result>