Sun Yan's family has some eggs, 5 and 5 are 4, and 6 and 6 are 4. These eggs are known to be between 50-65. How many eggs does his family have?
孙岩家有一些鸡蛋，5个5个数余4个，6个6个数也余4个．已知这些鸡蛋在50-65个之间．他家有多少个鸡蛋？
<gadget id="calculator">2 * 3 * 5</gadget>
<output>30</output>

<gadget id="calculator">30 * 2</gadget>
<output>60</output>

<gadget id="calculator">60 + 4</gadget>
<output>64</output>

<result>64</result>