If you want to buy 60 footballs with a unit price of 80 yuan, store A will give you 2 free footballs if you buy 10 footballs, and if you buy less than 10 footballs, you will not be given a free gift; store B will give you a discount of 12 yuan for each football. Which store is the cheapest to buy, and how much is the minimum cost? ?
要买60个单价为80元的足球，甲商店买10个足球免费赠送2个，不足10个不赠送；乙商店，每个足球优惠12元，到哪个商店买最省钱，最少要花多少钱？
<gadget id="calculator">10 + 2</gadget>
<output>12</output>

<gadget id="calculator">60 / 12</gadget>
<output>5</output>

<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">60 - 10</gadget>
<output>50</output>

<gadget id="calculator">50 / 60</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">80 * (5/6) * 60</gadget>
<output>4_000</output>

<result>4_000</result>