 
<translate> A shekara ta 2005, 20 / 2 * 3 = yara 30 sun zo wurin girki. A shekara ta 2004, 30 * 2 = yara 60 suka zo wurin girkin. Amsar ita ce: 60. <eng> In 2005, 20 / 2 * 3 = 30 kids came to the cookout. In 2004, 30 * 2 = 60 kids came to the cookout. The answer: 60. 