A group photo of 34 students from Class 1, Grade 4, the price is 4.5 yuan, and 4 photos are given. In addition, there is a charge of 2.3 yuan for each additional photo. If everyone in the class wants 1 photo, how much will it cost in total?
四年级1班34名同学合影，价格是4.5元，给4张照片．另外每加印1张收费2.3元，若全班每人都要1张照片，一共需付多少元钱？
<gadget id="calculator">34 - 4</gadget>
<output>30</output>

<gadget id="calculator">2.3 * 30</gadget>
<output>69</output>

<gadget id="calculator">69 + 4.5</gadget>
<output>73.5</output>

<result>73.5</result>