The price of a set of desks and chairs is 105 yuan, and the price of the chairs is 2/3 of the desk. How much is a desk?
一套课桌椅的价钱是105元，其中椅子的价钱是课桌的(2/3)，一张课桌多少钱？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 + (2/3)</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">105 / (5/3)</gadget>
<output>63</output>

<result>63</result>