In a right triangle, the ratio of the degrees of the two acute angles is 7:8, what is the degree of the larger acute angle?
一个直角三角形，两个锐角的度数比是7：8，较大的一个锐角的度数是多少．
<gadget id="calculator">180 - 90</gadget>
<output>90</output>

<gadget id="calculator">7 + 8</gadget>
<output>15</output>

<gadget id="calculator">8 / 15</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">90 * (8/15)</gadget>
<output>48</output>

<result>48</result>