Now the ratio of the number of candies between Xiaoming and Xiaohua is 4:1. If Xiaoming gives Xiaohua 13 pieces, the ratio of the number of candies between the two is 7:5. How many candies do the two have together?
现小明和小华的糖块数量比是4：1，如果小明给小华13块，则两人的糖块数量的比是7：5．两人一共有多少块糖？
<gadget id="calculator">4 + 1</gadget>
<output>5</output>

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

<gadget id="calculator">7 + 5</gadget>
<output>12</output>

<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">(4/5) - (7/12)</gadget>
<output>13/60 = around 0.216667</output>

<gadget id="calculator">13 / (13/60)</gadget>
<output>60</output>

<result>60</result>