The product of two factors is (7/9), one of which is (5/6), what is the other factor? (solution with equation)
两个因数的积是(7/9)，其中一个因数是(5/6)，求另一个因数是多少？(用方程解答)
<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(7/9) / (5/6)</gadget>
<output>14/15 = around 0.933333</output>

<result>14/15 = around 0.933333</result>