The tens digit is 1, and the ones digit is 3 greater than the tens digit. What is this number?
十位上是1，个位上的数字比十位数字大3，这个数是多少．
<gadget id="calculator">10 * 1</gadget>
<output>10</output>

<gadget id="calculator">1 + 3</gadget>
<output>4</output>

<gadget id="calculator">10 + 4</gadget>
<output>14</output>

<result>14</result>