notebook is 8 yuan, and a pen is 6 yuan. Xiaoli bought 9 notebooks and a pen. How much did you spend in total?
一个笔记本8元，一枝钢笔6元．小利买了9个笔记本和一枝钢笔．一共花了多少钱？
<gadget id="calculator">8 * 9</gadget>
<output>72</output>

<gadget id="calculator">72 + 6</gadget>
<output>78</output>

<result>78</result>