Divide a right angle into two parts according to 2:3, what is the larger angle?
把一个直角按2：3分成两部分，其中较大角是多少度．
<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">90 * (3/5)</gadget>
<output>54</output>

<result>54</result>