Zhang Ming and Li Fang walk in the same direction from two places 100 meters apart. Li Fang walks in front at 45 meters per minute. Zhang Ming walks behind at 65 meters per minute. After three minutes, how far apart are they? rice?
张明与李芳从相距100米的两地同时同向行走，李芳走在前面，每分钟走45米，张明走在后面，每分钟走65米，三分钟后，两人还相隔多少米？
<gadget id="calculator">65 - 45</gadget>
<output>20</output>

<gadget id="calculator">20 * 3</gadget>
<output>60</output>

<gadget id="calculator">100 + 60</gadget>
<output>160</output>

<result>160</result>