reeya obtained 40, 60, 70, 80 and 80 out of 100 in different subjects, what will be the average	Choose one.
A) 66  B) 75  C) 80  D) 85  E) 90
<gadget id="calculator">40 + 60</gadget>
<output>100</output>

<gadget id="calculator">100 + 70</gadget>
<output>170</output>

<gadget id="calculator">170 + 80</gadget>
<output>250</output>

<gadget id="calculator">250 + 80</gadget>
<output>330</output>

<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">330 / 5</gadget>
<output>66</output>

<result>A</result>
reeya obtained 40, 60, 70, 80 and 80 out of 100 in different subjects, what will be the average
divide(add(add(add(add(40, 60), 70), 80), 80), add(const_4, const_1))
"explanation : ( 40 + 60 + 70 + 80 + 80 / 5 ) = 66 option a"