certain school launched a charity donation activity. The fifth grade donated 380 yuan, which was 20 yuan more than the sixth grade (3/5). How much did the fifth and sixth grades donate in total?
某校开展爱心捐款活动，五年级捐了380元，比六年级捐的(3/5)多20元，五、六年级共捐多少元？
<gadget id="calculator">380 - 20</gadget>
<output>360</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">360 / (3/5)</gadget>
<output>600</output>

<gadget id="calculator">600 + 380</gadget>
<output>980</output>

<result>980</result>