The smallest storage unit in a computer is called a "bit", and each "bit" has two states: 0 and 1. Among them, 1G=1024MB, 1MB=1024KB. Now download the 80MB educational software from the Internet, and 60% of it has been downloaded. If the current download speed is 256KB per second, how many seconds will it take to complete the download?
计算机中最小的存储单位称为"位"，每个"位"有两种状态：0和1．其中1G=1024MB，1MB=1024KB．现将80MB的教育软件从网上下载，已经下载了60%．如果当前的下载速度是每秒256KB，则下载完毕还需要多少秒钟．
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">80 * (2/5)</gadget>
<output>32</output>

<gadget id="calculator">1_024 / 256</gadget>
<output>4</output>

<gadget id="calculator">32 * 4</gadget>
<output>128</output>

<result>128</result>