Xiaohong went to the stationery store and bought 3 notebooks and 2 pens. The pen is 4 yuan each, and the notebook is changed from 3 yuan to 5 yuan. How much will Xiaohong spend more than before?
小红去文具店里买来3本笔记本和2支钢笔．钢笔每支4元，笔记本由原来的3元变为5元，小红要比原来多花多少钱？
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<result>6</result>