Mingming started from home at 8:20 in the morning to Xiaogang's house, and arrived at Xiaogang's house at 8:28. He walked 70 meters per minute. How many meters is it from Mingming's house to Xiaogang's house?
明明早上8：20从家出发去小刚家，8：28到小刚家，他每分钟走70米，明明家到小刚家大约有多少米．
<gadget id="calculator">28 - 20</gadget>
<output>8</output>

<gadget id="calculator">70 * 8</gadget>
<output>560</output>

<result>560</result>