Teacher Li took some money to the sporting goods store to buy footballs. If you buy a big football, you can buy exactly 8; if you buy a small football, you can buy exactly 12. Knowing that the unit price of the two footballs differs by 32 yuan, how much did Mr. Li bring?
李老师带了一些钱到体育用品商店去购买足球．如果买大足球，恰好能买8个；如果买小足球，恰好能买12个．知道两种足球的单价相差32元，李老师带了多少元钱．
<gadget id="calculator">12 * 32</gadget>
<output>384</output>

<gadget id="calculator">384 + 0</gadget>
<output>384</output>

<gadget id="calculator">12 - 8</gadget>
<output>4</output>

<gadget id="calculator">384 / 4</gadget>
<output>96</output>

<gadget id="calculator">96 * 8</gadget>
<output>768</output>

<result>768</result>