The number A is 70, which is 25 greater than the number B. The number B is (5/6) of the number C. Find the number C.
甲数是70，比乙数大25，乙数是丙数的(5/6)，求丙数．
<gadget id="calculator">70 - 25</gadget>
<output>45</output>

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

<gadget id="calculator">45 / (5/6)</gadget>
<output>54</output>

<result>54</result>