Xiao Ming does 270 oral math problems in 45 minutes, and Xiao Hua does 2 more math problems per minute than Xiao Ming. How many oral math problems does Xiao Hua do per minute?
小明45分钟做270道口算题，小华每分钟比小明多做2道，小华每分钟做几道口算题？
<gadget id="calculator">270 / 45</gadget>
<output>6</output>

<gadget id="calculator">6 + 2</gadget>
<output>8</output>

<result>8</result>