There are more than 30 preserved eggs. If it is put into a row of 4 or 6 egg trays, it can be filled just right. How many of these preserved eggs are there?
有30多个皮蛋．如果把它装进4个一排或者6个一排的蛋托中，都正好能装完，这些皮蛋有多少个．
<gadget id="calculator">2 * 2 * 3</gadget>
<output>12</output>

<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<result>36</result>