The (4/7) of a number is 56, what is the column formula for this number
一个数的(4/7)是56，求这个数，列式是多少
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">56 / (4/7)</gadget>
<output>98</output>

<result>98</result>