Zhang Ming walked 3 times along the 56-meter-long straight road. The first time he walked 79 steps, the second time he walked 78 steps, and the third time he walked 83 steps. At this pace, he walked 620 steps from home to school. How far is his home from school?
张明沿56米长的直路走了3次，第1次走了79步，第2次走了78步，第3次走了83步．照这样的步子，他从家到学校走了620步．他家离学校大约有多远？
<gadget id="calculator">79 + 78 + 83</gadget>
<output>240</output>

<gadget id="calculator">240 / 3</gadget>
<output>80</output>

<gadget id="calculator">56 / 80</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">(7/10) * 620</gadget>
<output>434</output>

<result>434</result>