Jiajia Supermarket has 120 boxes of Mengniu milk, which is 50% more than that of Yili milk. How many boxes of Yili milk are there?
佳佳超市有蒙牛牛奶120箱，比伊利牛奶多50%，伊利牛奶有多少箱？
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">120 / (3/2)</gadget>
<output>80</output>

<result>80</result>