The quotient obtained by dividing the number a by the number b is 12 and the remainder is 8. If the number a is added to 7, the number b is (1/13) of the sum of the number a and 7, what is the number a.
数a除以数b所得的商是12，余数是8．如果数a加上7，数b就是数a与7的和的(1/13)，数a是多少．
<gadget id="calculator">12 * 15</gadget>
<output>180</output>

<gadget id="calculator">180 + 8</gadget>
<output>188</output>

<result>188</result>