In a mathematics test in a certain class, the average score of boys is 80 points, and the average score of girls is 82 points. It is known that boys account for 3/5 of the whole class. Find the average score of the whole class.
某班数学测试，男生平均分80分，女生平均分82分，己知男生占全班(3/5)，求全班平均分．
<gadget id="calculator">80 * 3</gadget>
<output>240</output>

<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">82 * 2</gadget>
<output>164</output>

<gadget id="calculator">240 + 164</gadget>
<output>404</output>

<gadget id="calculator">404 / 5</gadget>
<output>404/5 = around 80.8</output>

<result>404/5 = around 80.8</result>