The quotient of 2(1/2) times of a number plus 3 divided by 1(4/5) is equal to 2.6, find this number (use equation solution)
一个数的2(1/2)倍加3除1(4/5)的商，等于2.6，求这个数(用方程解)
<gadget id="calculator">2.6 - 0.6 - 0.6</gadget>
<output>1.4</output>

<gadget id="calculator">0.6 + 1.4</gadget>
<output>2</output>

<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">2 / (5/2)</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>