There is such a secret between old and new shoe sizes, you know? The old number we usually refer to is represented by a, and the new number is represented by b, then a=2b+10. If the old number is 44, what is the corresponding new number?
新旧鞋号存在着这样的秘密，你知道吗？平时我们所说的旧号用a表示，新号用b表示，则a=2b+10．如果旧号是44号，所对应的新号是多少号．
<gadget id="calculator">44 - 10</gadget>
<output>34</output>

<gadget id="calculator">34 / 2</gadget>
<output>17</output>

<result>17</result>