The school held a computer Chinese character input skills competition. It was originally planned to select 15 first prizes and 20 second prizes. Now the last 5 of the first prizes will be adjusted to second prizes, so that the average speed of the first prize winners will increase. The average speed of the second prize winners increased by 6 words/minute, so how much more is the average speed of the first prize than the average speed of the second prize?
学校举行计算机汉字输入技能竞赛，原计划评选出一等奖15人，二等奖20人，现将一等奖中的后5人调整为二等奖，这样一等奖获得者的平均速度提高了8字/分，二等奖获得者平均速度提高了6字/分，那么原来一等奖平均速度比二等奖平均速度多多少？
<gadget id="calculator">15 - 5</gadget>
<output>10</output>

<gadget id="calculator">10 * 8</gadget>
<output>80</output>

<gadget id="calculator">20 + 5</gadget>
<output>25</output>

<gadget id="calculator">25 * 6</gadget>
<output>150</output>

<gadget id="calculator">80 + 150</gadget>
<output>230</output>

<gadget id="calculator">230 / 5</gadget>
<output>46</output>

<result>46</result>