While shopping for music online, Isabel bought 4 country albums and 5 pop albums. Each album came with a lyric sheet and had 8 songs. How many songs did Isabel buy total?
<gadget id="calculator">4 + 5</gadget>
<output>9</output>

<gadget id="calculator">8 * 9</gadget>
<output>72</output>

<result>72</result>