Xiaoli can jump rope 83 times in one minute, and her brother can jump 270 times in 3 minutes. How much more can her brother jump in one minute than Xiaoli?
小丽跳绳一分钟能跳83下，哥哥3分钟能跳270下，哥哥比小丽一分钟多跳多少下？
<gadget id="calculator">270 / 3</gadget>
<output>90</output>

<gadget id="calculator">90 - 83</gadget>
<output>7</output>

<result>7</result>