5 times of a number is 11.4 more than 78.6, find this number.
一个数的5倍比78.6还多11.4，求这个数．
<gadget id="calculator">78.6 + 11.4</gadget>
<output>90</output>

<gadget id="calculator">90 / 5</gadget>
<output>18</output>

<result>18</result>