Li Xin walked 4 times along the 80-meter straight road. Walked 124 steps the first time, 125 steps the second time, 126 steps the third time, and 125 steps the fourth time. According to this pace, he walked a total of 1,000 steps from school to home and back. How far is his home from school?
李新沿80米的直路走了4次．第一次走了124步，第二次走了125步，第三次走了126步，第四次走了125步．照这样的步子，他从学校到家往返一次共走1000步，问他家离学校大约有多远？
<gadget id="calculator">124 + 125 + 126 + 125</gadget>
<output>500</output>

<gadget id="calculator">4 / 500</gadget>
<output>1/125 = around 0.008</output>

<gadget id="calculator">80 * (1/125)</gadget>
<output>16/25 = around 0.64</output>

<gadget id="calculator">(16/25) * 1_000</gadget>
<output>640</output>

<result>640</result>