The subtrahend is 119, the ratio of the subtrahend to the difference is 3:4, what is the subtrahend.
被减数是119，减数与差的比是3﹕4，减数是多少．
<gadget id="calculator">3 + 4</gadget>
<output>7</output>

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">119 * (3/7)</gadget>
<output>51</output>

<result>51</result>