Xiao Ming plans to do 8 vertical calculations every day, but in fact he does 4 more a day, so how many can he do in a week?
小明计划每天做8道竖式计算，实际上他每天多做了4道，这样他一星期能做几道？
<gadget id="calculator">4 * 7</gadget>
<output>28</output>

<result>28</result>