From Xiaohong's home to school, if you walk 160m in 1 minute, you will arrive 4.5 minutes earlier. If you walk 140m in 1 minute, you will be 2 minutes late. How far is it from Xiaohong to school?
小红的家到学校，如果1分钟走160m早到4.5分钟．如果1分钟走140m，那么就迟到2分钟．小红到学校多远？
<gadget id="calculator">160 * 4.5</gadget>
<output>720</output>

<gadget id="calculator">140 * 2</gadget>
<output>280</output>

<gadget id="calculator">720 + 280</gadget>
<output>1_000</output>

<gadget id="calculator">160 - 140</gadget>
<output>20</output>

<gadget id="calculator">1_000 / 20</gadget>
<output>50</output>

<gadget id="calculator">50 + 2</gadget>
<output>52</output>

<gadget id="calculator">140 * 52</gadget>
<output>7_280</output>

<result>7_280</result>