If Xiao Li walks 45 meters per minute from home to school, he will be late for class by 5 minutes; if he walks 55 meters per minute, he can arrive at school 3 minutes earlier. How far is his home from school?
小李从家到学校，如果每分钟走45米，上课就要迟到5分钟；如果每分钟走55米，就可以提前3分钟到学校，他家距离学校多少米．
<gadget id="calculator">45 * 5</gadget>
<output>225</output>

<gadget id="calculator">55 * 2</gadget>
<output>110</output>

<gadget id="calculator">225 + 110</gadget>
<output>335</output>

<gadget id="calculator">55 - 45</gadget>
<output>10</output>

<gadget id="calculator">335 / 10</gadget>
<output>67/2 = around 33.5</output>

<gadget id="calculator">(67/2) + 5</gadget>
<output>77/2 = around 38.5</output>

<gadget id="calculator">45 * (77/2)</gadget>
<output>3_465/2 = around 1_732.5</output>

<result>3_465/2 = around 1_732.5</result>