If Mr. Li sells a camera at the fixed price (4/5), he will make a profit of 50 yuan. If he sells it at (5/6) his price, he makes a profit of 55 yuan. What is the original price of the camera?
如果李先生以定价的(4/5)出售一台相机，他将赚取50元的利润．如果他以其定价的(5/6)出售，则赚取55元的利润．求照相机的原定价是多少元．
<gadget id="calculator">55 - 50</gadget>
<output>5</output>

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

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(5/6) - (4/5)</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">5 / (1/30)</gadget>
<output>150</output>

<result>150</result>