The smart monkey picked 28 peaches, ate (3/4), and gave the rest to Grandpa Monkey. How many peaches did he give in total?
机灵猴采了28个桃，吃了(3/4)，剩下的全送给了猴爷爷，共送了多少个．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">28 * (1/4)</gadget>
<output>7</output>

<result>7</result>