The product of two numbers is 14, and one of the factors is (2/7). What is another factor?
两个数的积是14，其中一个因数是(2/7)．另一个因数是多少？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">14 / (2/7)</gadget>
<output>49</output>

<result>49</result>