A vegetable field (7/8) hectares, of which tomatoes (1/6) and cucumbers (1/4) are used, and the rest are planted with peppers. How many hectares are peppers?
一块菜地(7/8)公顷，其中西红柿用去(1/6)，黄瓜用去(1/4)，其余的种辣椒，辣椒多少公顷？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/6) - (1/4)</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">(7/8) * (7/12)</gadget>
<output>49/96 = around 0.510417</output>

<result>49/96 = around 0.510417</result>