In order to beautify the environment, potted flower scenic spots are arranged in the park. Each large scenic spot needs 20 potted flowers, and each small scenic spot needs 12 potted flowers. A total of 112 potted flowers are used for the 8 scenic spots. How many major attractions are there?
为了美化环境，公园内布置盆花景点，每个大景点需要20盆花，每个小景点需要12盆花，布置8个景点一共用去了112盆花．其中大景点有多少个．
<gadget id="calculator">20 * 8</gadget>
<output>160</output>

<gadget id="calculator">160 - 112</gadget>
<output>48</output>

<gadget id="calculator">20 - 12</gadget>
<output>8</output>

<gadget id="calculator">48 / 8</gadget>
<output>6</output>

<gadget id="calculator">8 - 6</gadget>
<output>2</output>

<result>2</result>