After an 80° angle is quartered, what is the sum of the degrees of all angles within the 80° angle range?
将一个80°角四等分后，在80°角范围内所有角的度数和是多少？
<gadget id="calculator">4 * 20</gadget>
<output>80</output>

<gadget id="calculator">3 * 40</gadget>
<output>120</output>

<gadget id="calculator">2 * 60</gadget>
<output>120</output>

<gadget id="calculator">80 + 120 + 120</gadget>
<output>320</output>

<result>320</result>