Ding Ding cut 8 window grilles, and Meimei cut 42 window grilles. How many more window grilles did Meimei cut than Ding Ding?
丁丁剪了8朵窗花，美美剪了42朵窗花．美美比丁丁多剪了多少朵窗花？
<gadget id="calculator">42 - 8</gadget>
<output>34</output>

<result>34</result>