The computer room of Hongcun Primary School needs to replace 120 computers, and 78 have been replaced. What percentage has been completed?
宏村小学微机室需要换120台电脑，已更换完78台，完成了百分之几？
<gadget id="calculator">78 / 120</gadget>
<output>13/20 = around 0.65</output>

<result>13/20 = around 0.65</result>