Naughty went from home to school. When he walked 10% of the way, he found that he had forgotten his math books at home and returned immediately. This time he walked a total of 1320 meters to school. How far away is his home from school?
淘气从家去学校，当走了全程的10%时，发现数学书忘在家里了，立即返回，这次他上学共走了1320米，他家离学校多少米？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/10) * 2</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">1_320 / (6/5)</gadget>
<output>1_100</output>

<result>1_100</result>