Xiaogang, Xiaohong, and Xiaoqiang actively donated money in the anti-SARS charity event. The money donated by Xiaogang and Xiaohong accounted for 3/5 of the total amount of the three people, and the money donated by Xiaohong and Xiaoqiang accounted for the total amount of the three people. (5/6), Xiaohong donated 78 yuan, how much did the three donate in total?
小刚、小红、小强在防"非典"献爱心活动中积极捐款，小刚、小红共捐的钱占三人总数的(3/5)，小红、小强捐的钱占三人总数的(5/6)，小红捐了78元，三人共捐了多少元钱？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

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

<gadget id="calculator">(5/6) - 1</gadget>
<output>-1/6 = around -0.166667</output>

<gadget id="calculator">(3/5) + (-1/6)</gadget>
<output>13/30 = around 0.433333</output>

<gadget id="calculator">78 / (13/30)</gadget>
<output>180</output>

<result>180</result>