What is the formula equal to 4.7-1.62-1.38
与4.7-1.62-1.38得数相等的式子是多少
<gadget id="calculator">1.62 + 7.38</gadget>
<output>9</output>

<gadget id="calculator">4.7 - 9</gadget>
<output>-4.3</output>

<result>-4.3</result>