Aunt Huang picked a load of cabbage to sell in the market. She sold this load of cabbage in the morning (3/8) and sold this load of cabbage in the afternoon (7/12). How much cabbage is left for Mrs. Huang to pick home? ?
黄大娘挑一担白菜去集市上出售，上午卖了这担白菜的(3/8)，下午卖了这担白菜的(7/12)，还剩下多少白菜黄大娘要挑回家呢？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">1 - (3/8) - (7/12)</gadget>
<output>1/24 = around 0.041667</output>

<result>1/24 = around 0.041667</result>