Xiao Ming buys 20 80-cent stamps and 30 2-yuan stamps. How much will you pay in total?
小明买20枚8角的邮票和30枚2元的邮票．一共要付多少钱？
<gadget id="calculator">0.8 * 20</gadget>
<output>16</output>

<gadget id="calculator">2 * 30</gadget>
<output>60</output>

<gadget id="calculator">16 + 60</gadget>
<output>76</output>

<result>76</result>