If a football in a store sells for 78 yuan after a 35% discount, what is the original price of the football?
某商店一个足球打六五折后售价是78元，那么这个足球原价是多少元．
<gadget id="calculator">65 / 100</gadget>
<output>13/20 = around 0.65</output>

<gadget id="calculator">78 / (13/20)</gadget>
<output>120</output>

<result>120</result>