The number A is 120, which is 40 more than the number B. The number B is exactly equal to (5/6) of the number C. What is the number C?
甲数是120，比乙数多40，乙数恰好等于丙数的(5/6)，丙数是多少．
<gadget id="calculator">120 - 40</gadget>
<output>80</output>

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

<gadget id="calculator">80 / (5/6)</gadget>
<output>96</output>

<result>96</result>