There are more than 70 preserved eggs in the food store. If you put them in a row of 4 egg trays, they are just finished; if you put them in a row of 6 egg trays, they are just finished. How many preserved eggs are there?
食品店有70多个松花蛋，如果把它装进4个一排的蛋托中，正好装完；如果把它装进6个一排的蛋托中，正好装完．有多少个松花蛋？
<gadget id="calculator">3 * 2 * 2</gadget>
<output>12</output>

<gadget id="calculator">12 * 6</gadget>
<output>72</output>

<result>72</result>