A and B make a souvenir for the Shanghai World Expo at the same time. After 2.5 hours, A makes 30 more than B. It is known that B makes 80 per hour, how many does A make per hour?
甲、乙两人同时为上海世博会做一种纪念品，经过2.5小时，甲比乙多做了30个，已知乙每小时做80个，甲每小时做多少个？
<gadget id="calculator">30 / 2.5</gadget>
<output>12</output>

<gadget id="calculator">12 + 80</gadget>
<output>92</output>

<result>92</result>